Home / 8,331.59-12,494.95-3,947.87

Finding the Fourth Proportional to 8,331.59, 12,494.95 and 3,947.87

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Solution

The fourth proportional to 8,331.59, 12,494.95 and 3,947.87 is: 5,920.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.59 : 12,494.95 = 3,947.87 : x
  2. Step 2: Convert to fraction form
    8,331.59/12,494.95 = 3,947.87/x
  3. Step 3: Cross multiply
    8,331.59x = 12,494.95 × 3,947.87
  4. Step 4: Simplify right side
    8,331.59x = 49,328,438.26
  5. Step 5: Solve for x
    x = 49,328,438.26/8,331.59
  6. Step 6: Final answer
    x = 5,920.65

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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.