Question

Find the unknown number in the proportion
4/9 = x/85
round your answer to the nearest hundredth

Answer 1

To solve the proportion \( \frac{4}{9} = \frac{x}{85} \), we can cross-multiply:

\[
4 \times 85 = 9 \times x
\]

Calculating \( 4 \times 85 \):

\[
4 \times 85 = 340
\]

So, we have:

\[
340 = 9x
\]

Now, divide both sides by 9 to solve for \( x \):

\[
x = \frac{340}{9} \approx 37.7778
\]

Rounding to the nearest hundredth, we get:

\[
x \approx 37.78
\]

Thus, the unknown number \( x \) is approximately **37.78**.