Home / 7,646.43-11,469.66-2,099.85

Finding the Fourth Proportional to 7,646.43, 11,469.66 and 2,099.85

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Solution

The fourth proportional to 7,646.43, 11,469.66 and 2,099.85 is: 3,149.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,646.43 : 11,469.66 = 2,099.85 : x
  2. Step 2: Convert to fraction form
    7,646.43/11,469.66 = 2,099.85/x
  3. Step 3: Cross multiply
    7,646.43x = 11,469.66 × 2,099.85
  4. Step 4: Simplify right side
    7,646.43x = 24,084,565.55
  5. Step 5: Solve for x
    x = 24,084,565.55/7,646.43
  6. Step 6: Final answer
    x = 3,149.78

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Similar ratio
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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.