Home / 8,871.28-13,295.32-6,414.32

Finding the Fourth Proportional to 8,871.28, 13,295.32 and 6,414.32

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Solution

The fourth proportional to 8,871.28, 13,295.32 and 6,414.32 is: 9,613.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871.28 : 13,295.32 = 6,414.32 : x
  2. Step 2: Convert to fraction form
    8,871.28/13,295.32 = 6,414.32/x
  3. Step 3: Cross multiply
    8,871.28x = 13,295.32 × 6,414.32
  4. Step 4: Simplify right side
    8,871.28x = 85,280,436.98
  5. Step 5: Solve for x
    x = 85,280,436.98/8,871.28
  6. Step 6: Final answer
    x = 9,613.09

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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.