Home / 8,372.40-12,552.11-3,752.16

Finding the Fourth Proportional to 8,372.40, 12,552.11 and 3,752.16

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Solution

The fourth proportional to 8,372.40, 12,552.11 and 3,752.16 is: 5,625.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372.40 : 12,552.11 = 3,752.16 : x
  2. Step 2: Convert to fraction form
    8,372.40/12,552.11 = 3,752.16/x
  3. Step 3: Cross multiply
    8,372.40x = 12,552.11 × 3,752.16
  4. Step 4: Simplify right side
    8,372.40x = 47,097,494.40
  5. Step 5: Solve for x
    x = 47,097,494.40/8,372.40
  6. Step 6: Final answer
    x = 5,625.33

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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.