Home / 8,187.98-12,281.96-2,344.57

Finding the Fourth Proportional to 8,187.98, 12,281.96 and 2,344.57

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Solution

The fourth proportional to 8,187.98, 12,281.96 and 2,344.57 is: 3,516.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187.98 : 12,281.96 = 2,344.57 : x
  2. Step 2: Convert to fraction form
    8,187.98/12,281.96 = 2,344.57/x
  3. Step 3: Cross multiply
    8,187.98x = 12,281.96 × 2,344.57
  4. Step 4: Simplify right side
    8,187.98x = 28,795,890.11
  5. Step 5: Solve for x
    x = 28,795,890.11/8,187.98
  6. Step 6: Final answer
    x = 3,516.85

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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.