Home / 5,179.38-7,769.52-1,481.73

Finding the Fourth Proportional to 5,179.38, 7,769.52 and 1,481.73

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Solution

The fourth proportional to 5,179.38, 7,769.52 and 1,481.73 is: 2,222.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.38 : 7,769.52 = 1,481.73 : x
  2. Step 2: Convert to fraction form
    5,179.38/7,769.52 = 1,481.73/x
  3. Step 3: Cross multiply
    5,179.38x = 7,769.52 × 1,481.73
  4. Step 4: Simplify right side
    5,179.38x = 11,512,301.73
  5. Step 5: Solve for x
    x = 11,512,301.73/5,179.38
  6. Step 6: Final answer
    x = 2,222.72

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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.