Finding the Fourth Proportional to 7,882.75, 11,824.08 and 3,202.74
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Solution
The fourth proportional to 7,882.75, 11,824.08 and 3,202.74 is: 4,804.09
Step by Step Solution
- Step 1: Write the proportion equation
7,882.75 : 11,824.08 = 3,202.74 : x - Step 2: Convert to fraction form
7,882.75/11,824.08 = 3,202.74/x - Step 3: Cross multiply
7,882.75x = 11,824.08 × 3,202.74 - Step 4: Simplify right side
7,882.75x = 37,869,441.97 - Step 5: Solve for x
x = 37,869,441.97/7,882.75 - Step 6: Final answer
x = 4,804.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.