Home / 10,437.57-15,657.17-3,417.39

Finding the Fourth Proportional to 10,437.57, 15,657.17 and 3,417.39

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Solution

The fourth proportional to 10,437.57, 15,657.17 and 3,417.39 is: 5,126.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,437.57 : 15,657.17 = 3,417.39 : x
  2. Step 2: Convert to fraction form
    10,437.57/15,657.17 = 3,417.39/x
  3. Step 3: Cross multiply
    10,437.57x = 15,657.17 × 3,417.39
  4. Step 4: Simplify right side
    10,437.57x = 53,506,639.10
  5. Step 5: Solve for x
    x = 53,506,639.10/10,437.57
  6. Step 6: Final answer
    x = 5,126.35

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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.