Home / 8,872.91-13,308.14-5,176.88

Finding the Fourth Proportional to 8,872.91, 13,308.14 and 5,176.88

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Solution

The fourth proportional to 8,872.91, 13,308.14 and 5,176.88 is: 7,764.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.91 : 13,308.14 = 5,176.88 : x
  2. Step 2: Convert to fraction form
    8,872.91/13,308.14 = 5,176.88/x
  3. Step 3: Cross multiply
    8,872.91x = 13,308.14 × 5,176.88
  4. Step 4: Simplify right side
    8,872.91x = 68,894,643.80
  5. Step 5: Solve for x
    x = 68,894,643.80/8,872.91
  6. Step 6: Final answer
    x = 7,764.61

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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.