Home / 8,476.48-12,711.84-4,314.88

Finding the Fourth Proportional to 8,476.48, 12,711.84 and 4,314.88

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Solution

The fourth proportional to 8,476.48, 12,711.84 and 4,314.88 is: 6,470.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,476.48 : 12,711.84 = 4,314.88 : x
  2. Step 2: Convert to fraction form
    8,476.48/12,711.84 = 4,314.88/x
  3. Step 3: Cross multiply
    8,476.48x = 12,711.84 × 4,314.88
  4. Step 4: Simplify right side
    8,476.48x = 54,850,064.18
  5. Step 5: Solve for x
    x = 54,850,064.18/8,476.48
  6. Step 6: Final answer
    x = 6,470.85

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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.