Home / 5,091.28-7,631.46-3,335.62

Finding the Fourth Proportional to 5,091.28, 7,631.46 and 3,335.62

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Solution

The fourth proportional to 5,091.28, 7,631.46 and 3,335.62 is: 4,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.28 : 7,631.46 = 3,335.62 : x
  2. Step 2: Convert to fraction form
    5,091.28/7,631.46 = 3,335.62/x
  3. Step 3: Cross multiply
    5,091.28x = 7,631.46 × 3,335.62
  4. Step 4: Simplify right side
    5,091.28x = 25,455,650.61
  5. Step 5: Solve for x
    x = 25,455,650.61/5,091.28
  6. Step 6: Final answer
    x = 4,999.85

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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.