4/72 expressed as a percentage is 5.56%. This tiny slice of a whole shows how a small numerator compared to a larger denominator translates into a low percent value.
The fraction 4/72 can also be written as 1/18, which still represents the same 5.56% when you look at it in terms of percent. Both forms tell you that the part is just over five out of every hundred equal pieces.
In everyday use, you might see this percentage when measuring ingredients, calculating discounts, or comparing data sets. Remember that the figure is rounded to two decimal places, so the true value is a little bit more precise, but 5.56% is the convenient, easy‑to‑read result.