Home / 8,711.92-12,025.72-5,176.88

Finding the Fourth Proportional to 8,711.92, 12,025.72 and 5,176.88

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Solution

The fourth proportional to 8,711.92, 12,025.72 and 5,176.88 is: 7,146.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,711.92 : 12,025.72 = 5,176.88 : x
  2. Step 2: Convert to fraction form
    8,711.92/12,025.72 = 5,176.88/x
  3. Step 3: Cross multiply
    8,711.92x = 12,025.72 × 5,176.88
  4. Step 4: Simplify right side
    8,711.92x = 62,255,709.35
  5. Step 5: Solve for x
    x = 62,255,709.35/8,711.92
  6. Step 6: Final answer
    x = 7,146.04

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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.