Home / 4,279.80-5,906.30-2,487.27

Finding the Fourth Proportional to 4,279.80, 5,906.30 and 2,487.27

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Solution

The fourth proportional to 4,279.80, 5,906.30 and 2,487.27 is: 3,432.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.80 : 5,906.30 = 2,487.27 : x
  2. Step 2: Convert to fraction form
    4,279.80/5,906.30 = 2,487.27/x
  3. Step 3: Cross multiply
    4,279.80x = 5,906.30 × 2,487.27
  4. Step 4: Simplify right side
    4,279.80x = 14,690,562.80
  5. Step 5: Solve for x
    x = 14,690,562.80/4,279.80
  6. Step 6: Final answer
    x = 3,432.53

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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.