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Finding the Fourth Proportional to 6,630.17, 9,923.61 and 4,874.71

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Solution

The fourth proportional to 6,630.17, 9,923.61 and 4,874.71 is: 7,296.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630.17 : 9,923.61 = 4,874.71 : x
  2. Step 2: Convert to fraction form
    6,630.17/9,923.61 = 4,874.71/x
  3. Step 3: Cross multiply
    6,630.17x = 9,923.61 × 4,874.71
  4. Step 4: Simplify right side
    6,630.17x = 48,374,720.90
  5. Step 5: Solve for x
    x = 48,374,720.90/6,630.17
  6. Step 6: Final answer
    x = 7,296.15

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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.