Home / 6,123.92-8,451.11-3,471.87

Finding the Fourth Proportional to 6,123.92, 8,451.11 and 3,471.87

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Solution

The fourth proportional to 6,123.92, 8,451.11 and 3,471.87 is: 4,791.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,123.92 : 8,451.11 = 3,471.87 : x
  2. Step 2: Convert to fraction form
    6,123.92/8,451.11 = 3,471.87/x
  3. Step 3: Cross multiply
    6,123.92x = 8,451.11 × 3,471.87
  4. Step 4: Simplify right side
    6,123.92x = 29,341,137.92
  5. Step 5: Solve for x
    x = 29,341,137.92/6,123.92
  6. Step 6: Final answer
    x = 4,791.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.