Home / 8,247.57-12,372.68-2,982.05

Finding the Fourth Proportional to 8,247.57, 12,372.68 and 2,982.05

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Solution

The fourth proportional to 8,247.57, 12,372.68 and 2,982.05 is: 4,473.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.57 : 12,372.68 = 2,982.05 : x
  2. Step 2: Convert to fraction form
    8,247.57/12,372.68 = 2,982.05/x
  3. Step 3: Cross multiply
    8,247.57x = 12,372.68 × 2,982.05
  4. Step 4: Simplify right side
    8,247.57x = 36,895,950.39
  5. Step 5: Solve for x
    x = 36,895,950.39/8,247.57
  6. Step 6: Final answer
    x = 4,473.55

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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.