Finding the Fourth Proportional to 6,142.08, 8,478 and 3,624.08
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Solution
The fourth proportional to 6,142.08, 8,478 and 3,624.08 is: 5,002.37
Step by Step Solution
- Step 1: Write the proportion equation
6,142.08 : 8,478 = 3,624.08 : x - Step 2: Convert to fraction form
6,142.08/8,478 = 3,624.08/x - Step 3: Cross multiply
6,142.08x = 8,478 × 3,624.08 - Step 4: Simplify right side
6,142.08x = 30,724,950.24 - Step 5: Solve for x
x = 30,724,950.24/6,142.08 - Step 6: Final answer
x = 5,002.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.