Home / 7,481.28-11,230.13-3,101.82

Finding the Fourth Proportional to 7,481.28, 11,230.13 and 3,101.82

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Solution

The fourth proportional to 7,481.28, 11,230.13 and 3,101.82 is: 4,656.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.28 : 11,230.13 = 3,101.82 : x
  2. Step 2: Convert to fraction form
    7,481.28/11,230.13 = 3,101.82/x
  3. Step 3: Cross multiply
    7,481.28x = 11,230.13 × 3,101.82
  4. Step 4: Simplify right side
    7,481.28x = 34,833,770.18
  5. Step 5: Solve for x
    x = 34,833,770.18/7,481.28
  6. Step 6: Final answer
    x = 4,656.12

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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.