Home / 7,481.18-11,221.86-3,584.72

Finding the Fourth Proportional to 7,481.18, 11,221.86 and 3,584.72

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Solution

The fourth proportional to 7,481.18, 11,221.86 and 3,584.72 is: 5,377.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.18 : 11,221.86 = 3,584.72 : x
  2. Step 2: Convert to fraction form
    7,481.18/11,221.86 = 3,584.72/x
  3. Step 3: Cross multiply
    7,481.18x = 11,221.86 × 3,584.72
  4. Step 4: Simplify right side
    7,481.18x = 40,227,225.98
  5. Step 5: Solve for x
    x = 40,227,225.98/7,481.18
  6. Step 6: Final answer
    x = 5,377.12

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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.