Home / 4,073.76-6,109.42-2,124.90

Finding the Fourth Proportional to 4,073.76, 6,109.42 and 2,124.90

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Solution

The fourth proportional to 4,073.76, 6,109.42 and 2,124.90 is: 3,186.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,073.76 : 6,109.42 = 2,124.90 : x
  2. Step 2: Convert to fraction form
    4,073.76/6,109.42 = 2,124.90/x
  3. Step 3: Cross multiply
    4,073.76x = 6,109.42 × 2,124.90
  4. Step 4: Simplify right side
    4,073.76x = 12,981,906.56
  5. Step 5: Solve for x
    x = 12,981,906.56/4,073.76
  6. Step 6: Final answer
    x = 3,186.71

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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.