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Finding the Fourth Proportional to 6,622.97, 9,934.65 and 2,727.68

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Solution

The fourth proportional to 6,622.97, 9,934.65 and 2,727.68 is: 4,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,622.97 : 9,934.65 = 2,727.68 : x
  2. Step 2: Convert to fraction form
    6,622.97/9,934.65 = 2,727.68/x
  3. Step 3: Cross multiply
    6,622.97x = 9,934.65 × 2,727.68
  4. Step 4: Simplify right side
    6,622.97x = 27,098,496.44
  5. Step 5: Solve for x
    x = 27,098,496.44/6,622.97
  6. Step 6: Final answer
    x = 4,091.60

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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.