Home / 8,411.28-12,618.18-4,027.92

Finding the Fourth Proportional to 8,411.28, 12,618.18 and 4,027.92

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Solution

The fourth proportional to 8,411.28, 12,618.18 and 4,027.92 is: 6,042.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,411.28 : 12,618.18 = 4,027.92 : x
  2. Step 2: Convert to fraction form
    8,411.28/12,618.18 = 4,027.92/x
  3. Step 3: Cross multiply
    8,411.28x = 12,618.18 × 4,027.92
  4. Step 4: Simplify right side
    8,411.28x = 50,825,019.59
  5. Step 5: Solve for x
    x = 50,825,019.59/8,411.28
  6. Step 6: Final answer
    x = 6,042.48

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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.