Home / 5,232.20-7,841.10-3,691.40

Finding the Fourth Proportional to 5,232.20, 7,841.10 and 3,691.40

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Solution

The fourth proportional to 5,232.20, 7,841.10 and 3,691.40 is: 5,532.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,232.20 : 7,841.10 = 3,691.40 : x
  2. Step 2: Convert to fraction form
    5,232.20/7,841.10 = 3,691.40/x
  3. Step 3: Cross multiply
    5,232.20x = 7,841.10 × 3,691.40
  4. Step 4: Simplify right side
    5,232.20x = 28,944,636.54
  5. Step 5: Solve for x
    x = 28,944,636.54/5,232.20
  6. Step 6: Final answer
    x = 5,532.02

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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.