Fill in the missing number.

% of 4,000 = 3,000

1 answer

The missing number can be found by setting up a proportion:

$\frac{\text{% of 4,000}}{4,000} = \frac{3,000}{10,000}$

Cross-multiplying, we have:

\text{% of 4,000} = $\frac{3,000}{10,000} \times 4,000$

Simplifying, we get:

\text{% of 4,000} = $\frac{3,000}{10} = \boxed{300}$.