Home / 8,175.67-12,265.31-2,981.54

Finding the Fourth Proportional to 8,175.67, 12,265.31 and 2,981.54

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Solution

The fourth proportional to 8,175.67, 12,265.31 and 2,981.54 is: 4,472.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.67 : 12,265.31 = 2,981.54 : x
  2. Step 2: Convert to fraction form
    8,175.67/12,265.31 = 2,981.54/x
  3. Step 3: Cross multiply
    8,175.67x = 12,265.31 × 2,981.54
  4. Step 4: Simplify right side
    8,175.67x = 36,569,550.49
  5. Step 5: Solve for x
    x = 36,569,550.49/8,175.67
  6. Step 6: Final answer
    x = 4,472.97

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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.