Home / 5,538.74-8,311.54-2,251.87

Finding the Fourth Proportional to 5,538.74, 8,311.54 and 2,251.87

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Solution

The fourth proportional to 5,538.74, 8,311.54 and 2,251.87 is: 3,379.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.74 : 8,311.54 = 2,251.87 : x
  2. Step 2: Convert to fraction form
    5,538.74/8,311.54 = 2,251.87/x
  3. Step 3: Cross multiply
    5,538.74x = 8,311.54 × 2,251.87
  4. Step 4: Simplify right side
    5,538.74x = 18,716,507.58
  5. Step 5: Solve for x
    x = 18,716,507.58/5,538.74
  6. Step 6: Final answer
    x = 3,379.20

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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.