Home / 8,086.60-12,124.92-3,150.49

Finding the Fourth Proportional to 8,086.60, 12,124.92 and 3,150.49

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Solution

The fourth proportional to 8,086.60, 12,124.92 and 3,150.49 is: 4,723.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,086.60 : 12,124.92 = 3,150.49 : x
  2. Step 2: Convert to fraction form
    8,086.60/12,124.92 = 3,150.49/x
  3. Step 3: Cross multiply
    8,086.60x = 12,124.92 × 3,150.49
  4. Step 4: Simplify right side
    8,086.60x = 38,199,439.21
  5. Step 5: Solve for x
    x = 38,199,439.21/8,086.60
  6. Step 6: Final answer
    x = 4,723.79

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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.