Home / 5,179.11-7,769.89-1,481.24

Finding the Fourth Proportional to 5,179.11, 7,769.89 and 1,481.24

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Solution

The fourth proportional to 5,179.11, 7,769.89 and 1,481.24 is: 2,222.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.11 : 7,769.89 = 1,481.24 : x
  2. Step 2: Convert to fraction form
    5,179.11/7,769.89 = 1,481.24/x
  3. Step 3: Cross multiply
    5,179.11x = 7,769.89 × 1,481.24
  4. Step 4: Simplify right side
    5,179.11x = 11,509,049.43
  5. Step 5: Solve for x
    x = 11,509,049.43/5,179.11
  6. Step 6: Final answer
    x = 2,222.21

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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.