Home / 8,439.53-12,658.17-2,199.96

Finding the Fourth Proportional to 8,439.53, 12,658.17 and 2,199.96

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Solution

The fourth proportional to 8,439.53, 12,658.17 and 2,199.96 is: 3,299.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,439.53 : 12,658.17 = 2,199.96 : x
  2. Step 2: Convert to fraction form
    8,439.53/12,658.17 = 2,199.96/x
  3. Step 3: Cross multiply
    8,439.53x = 12,658.17 × 2,199.96
  4. Step 4: Simplify right side
    8,439.53x = 27,847,475.92
  5. Step 5: Solve for x
    x = 27,847,475.92/8,439.53
  6. Step 6: Final answer
    x = 3,299.65

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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.