Home / 7,150.05-10,714.11-3,249.90

Finding the Fourth Proportional to 7,150.05, 10,714.11 and 3,249.90

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Solution

The fourth proportional to 7,150.05, 10,714.11 and 3,249.90 is: 4,869.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150.05 : 10,714.11 = 3,249.90 : x
  2. Step 2: Convert to fraction form
    7,150.05/10,714.11 = 3,249.90/x
  3. Step 3: Cross multiply
    7,150.05x = 10,714.11 × 3,249.90
  4. Step 4: Simplify right side
    7,150.05x = 34,819,786.09
  5. Step 5: Solve for x
    x = 34,819,786.09/7,150.05
  6. Step 6: Final answer
    x = 4,869.87

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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.