Home / 7,115.17-10,671.75-4,474.62

Finding the Fourth Proportional to 7,115.17, 10,671.75 and 4,474.62

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Solution

The fourth proportional to 7,115.17, 10,671.75 and 4,474.62 is: 6,711.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115.17 : 10,671.75 = 4,474.62 : x
  2. Step 2: Convert to fraction form
    7,115.17/10,671.75 = 4,474.62/x
  3. Step 3: Cross multiply
    7,115.17x = 10,671.75 × 4,474.62
  4. Step 4: Simplify right side
    7,115.17x = 47,752,003.61
  5. Step 5: Solve for x
    x = 47,752,003.61/7,115.17
  6. Step 6: Final answer
    x = 6,711.30

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Similar ratio
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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.