Home / 7,132.28-10,700.04-3,437.61

Finding the Fourth Proportional to 7,132.28, 10,700.04 and 3,437.61

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Solution

The fourth proportional to 7,132.28, 10,700.04 and 3,437.61 is: 5,157.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,132.28 : 10,700.04 = 3,437.61 : x
  2. Step 2: Convert to fraction form
    7,132.28/10,700.04 = 3,437.61/x
  3. Step 3: Cross multiply
    7,132.28x = 10,700.04 × 3,437.61
  4. Step 4: Simplify right side
    7,132.28x = 36,782,564.50
  5. Step 5: Solve for x
    x = 36,782,564.50/7,132.28
  6. Step 6: Final answer
    x = 5,157.20

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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.