Home / 8,961.08-13,433.92-3,116.92

Finding the Fourth Proportional to 8,961.08, 13,433.92 and 3,116.92

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Solution

The fourth proportional to 8,961.08, 13,433.92 and 3,116.92 is: 4,672.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961.08 : 13,433.92 = 3,116.92 : x
  2. Step 2: Convert to fraction form
    8,961.08/13,433.92 = 3,116.92/x
  3. Step 3: Cross multiply
    8,961.08x = 13,433.92 × 3,116.92
  4. Step 4: Simplify right side
    8,961.08x = 41,872,453.93
  5. Step 5: Solve for x
    x = 41,872,453.93/8,961.08
  6. Step 6: Final answer
    x = 4,672.70

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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.