Home / 8,298.76-12,451.92-3,105.04

Finding the Fourth Proportional to 8,298.76, 12,451.92 and 3,105.04

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Solution

The fourth proportional to 8,298.76, 12,451.92 and 3,105.04 is: 4,658.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,298.76 : 12,451.92 = 3,105.04 : x
  2. Step 2: Convert to fraction form
    8,298.76/12,451.92 = 3,105.04/x
  3. Step 3: Cross multiply
    8,298.76x = 12,451.92 × 3,105.04
  4. Step 4: Simplify right side
    8,298.76x = 38,663,709.68
  5. Step 5: Solve for x
    x = 38,663,709.68/8,298.76
  6. Step 6: Final answer
    x = 4,658.97

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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.