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Finding the Fourth Proportional to 6,755.62, 9,323.58 and 3,961.12

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Solution

The fourth proportional to 6,755.62, 9,323.58 and 3,961.12 is: 5,466.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,755.62 : 9,323.58 = 3,961.12 : x
  2. Step 2: Convert to fraction form
    6,755.62/9,323.58 = 3,961.12/x
  3. Step 3: Cross multiply
    6,755.62x = 9,323.58 × 3,961.12
  4. Step 4: Simplify right side
    6,755.62x = 36,931,819.21
  5. Step 5: Solve for x
    x = 36,931,819.21/6,755.62
  6. Step 6: Final answer
    x = 5,466.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.