Home / 7,213.11-10,819.92-3,702.17

Finding the Fourth Proportional to 7,213.11, 10,819.92 and 3,702.17

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Solution

The fourth proportional to 7,213.11, 10,819.92 and 3,702.17 is: 5,553.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213.11 : 10,819.92 = 3,702.17 : x
  2. Step 2: Convert to fraction form
    7,213.11/10,819.92 = 3,702.17/x
  3. Step 3: Cross multiply
    7,213.11x = 10,819.92 × 3,702.17
  4. Step 4: Simplify right side
    7,213.11x = 40,057,129.13
  5. Step 5: Solve for x
    x = 40,057,129.13/7,213.11
  6. Step 6: Final answer
    x = 5,553.38

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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.