Home / 6,494.20-9,729.78-4,432.12

Finding the Fourth Proportional to 6,494.20, 9,729.78 and 4,432.12

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Solution

The fourth proportional to 6,494.20, 9,729.78 and 4,432.12 is: 6,640.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,494.20 : 9,729.78 = 4,432.12 : x
  2. Step 2: Convert to fraction form
    6,494.20/9,729.78 = 4,432.12/x
  3. Step 3: Cross multiply
    6,494.20x = 9,729.78 × 4,432.12
  4. Step 4: Simplify right side
    6,494.20x = 43,123,552.53
  5. Step 5: Solve for x
    x = 43,123,552.53/6,494.20
  6. Step 6: Final answer
    x = 6,640.32

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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.