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Finding the Fourth Proportional to 5,500.89, 8,253.90 and 3,279.68

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Solution

The fourth proportional to 5,500.89, 8,253.90 and 3,279.68 is: 4,921.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,500.89 : 8,253.90 = 3,279.68 : x
  2. Step 2: Convert to fraction form
    5,500.89/8,253.90 = 3,279.68/x
  3. Step 3: Cross multiply
    5,500.89x = 8,253.90 × 3,279.68
  4. Step 4: Simplify right side
    5,500.89x = 27,070,109.48
  5. Step 5: Solve for x
    x = 27,070,109.48/5,500.89
  6. Step 6: Final answer
    x = 4,921.04

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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.