Home / 9,191.95-13,787.91-3,997.82

Finding the Fourth Proportional to 9,191.95, 13,787.91 and 3,997.82

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Solution

The fourth proportional to 9,191.95, 13,787.91 and 3,997.82 is: 5,996.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191.95 : 13,787.91 = 3,997.82 : x
  2. Step 2: Convert to fraction form
    9,191.95/13,787.91 = 3,997.82/x
  3. Step 3: Cross multiply
    9,191.95x = 13,787.91 × 3,997.82
  4. Step 4: Simplify right side
    9,191.95x = 55,121,582.36
  5. Step 5: Solve for x
    x = 55,121,582.36/9,191.95
  6. Step 6: Final answer
    x = 5,996.72

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Similar ratio
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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.