Home / 5,517.92-8,266.42-4,279.26

Finding the Fourth Proportional to 5,517.92, 8,266.42 and 4,279.26

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Solution

The fourth proportional to 5,517.92, 8,266.42 and 4,279.26 is: 6,410.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.92 : 8,266.42 = 4,279.26 : x
  2. Step 2: Convert to fraction form
    5,517.92/8,266.42 = 4,279.26/x
  3. Step 3: Cross multiply
    5,517.92x = 8,266.42 × 4,279.26
  4. Step 4: Simplify right side
    5,517.92x = 35,374,196.80
  5. Step 5: Solve for x
    x = 35,374,196.80/5,517.92
  6. Step 6: Final answer
    x = 6,410.78

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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.