Home / 8,217.61-12,327.53-2,669.16

Finding the Fourth Proportional to 8,217.61, 12,327.53 and 2,669.16

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Solution

The fourth proportional to 8,217.61, 12,327.53 and 2,669.16 is: 4,004.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.61 : 12,327.53 = 2,669.16 : x
  2. Step 2: Convert to fraction form
    8,217.61/12,327.53 = 2,669.16/x
  3. Step 3: Cross multiply
    8,217.61x = 12,327.53 × 2,669.16
  4. Step 4: Simplify right side
    8,217.61x = 32,904,149.97
  5. Step 5: Solve for x
    x = 32,904,149.97/8,217.61
  6. Step 6: Final answer
    x = 4,004.10

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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.