Home / 5,481.27-7,562.97-3,123.09

Finding the Fourth Proportional to 5,481.27, 7,562.97 and 3,123.09

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Solution

The fourth proportional to 5,481.27, 7,562.97 and 3,123.09 is: 4,309.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.27 : 7,562.97 = 3,123.09 : x
  2. Step 2: Convert to fraction form
    5,481.27/7,562.97 = 3,123.09/x
  3. Step 3: Cross multiply
    5,481.27x = 7,562.97 × 3,123.09
  4. Step 4: Simplify right side
    5,481.27x = 23,619,835.98
  5. Step 5: Solve for x
    x = 23,619,835.98/5,481.27
  6. Step 6: Final answer
    x = 4,309.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.