Home / 8,861.31-13,289.22-2,937.15

Finding the Fourth Proportional to 8,861.31, 13,289.22 and 2,937.15

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Solution

The fourth proportional to 8,861.31, 13,289.22 and 2,937.15 is: 4,404.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.31 : 13,289.22 = 2,937.15 : x
  2. Step 2: Convert to fraction form
    8,861.31/13,289.22 = 2,937.15/x
  3. Step 3: Cross multiply
    8,861.31x = 13,289.22 × 2,937.15
  4. Step 4: Simplify right side
    8,861.31x = 39,032,432.52
  5. Step 5: Solve for x
    x = 39,032,432.52/8,861.31
  6. Step 6: Final answer
    x = 4,404.82

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1.5x scale

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.