Home / 8,625.72-12,941.94-3,432.12

Finding the Fourth Proportional to 8,625.72, 12,941.94 and 3,432.12

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Solution

The fourth proportional to 8,625.72, 12,941.94 and 3,432.12 is: 5,149.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,625.72 : 12,941.94 = 3,432.12 : x
  2. Step 2: Convert to fraction form
    8,625.72/12,941.94 = 3,432.12/x
  3. Step 3: Cross multiply
    8,625.72x = 12,941.94 × 3,432.12
  4. Step 4: Simplify right side
    8,625.72x = 44,418,291.11
  5. Step 5: Solve for x
    x = 44,418,291.11/8,625.72
  6. Step 6: Final answer
    x = 5,149.52

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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.