Home / 5,488.20-8,232.30-3,519.90

Finding the Fourth Proportional to 5,488.20, 8,232.30 and 3,519.90

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Solution

The fourth proportional to 5,488.20, 8,232.30 and 3,519.90 is: 5,279.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488.20 : 8,232.30 = 3,519.90 : x
  2. Step 2: Convert to fraction form
    5,488.20/8,232.30 = 3,519.90/x
  3. Step 3: Cross multiply
    5,488.20x = 8,232.30 × 3,519.90
  4. Step 4: Simplify right side
    5,488.20x = 28,976,872.77
  5. Step 5: Solve for x
    x = 28,976,872.77/5,488.20
  6. Step 6: Final answer
    x = 5,279.85

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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.