Home / 5,161.76-7,732.56-4,123.92

Finding the Fourth Proportional to 5,161.76, 7,732.56 and 4,123.92

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Solution

The fourth proportional to 5,161.76, 7,732.56 and 4,123.92 is: 6,177.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161.76 : 7,732.56 = 4,123.92 : x
  2. Step 2: Convert to fraction form
    5,161.76/7,732.56 = 4,123.92/x
  3. Step 3: Cross multiply
    5,161.76x = 7,732.56 × 4,123.92
  4. Step 4: Simplify right side
    5,161.76x = 31,888,458.84
  5. Step 5: Solve for x
    x = 31,888,458.84/5,161.76
  6. Step 6: Final answer
    x = 6,177.83

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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.