Home / 5,145.68-7,101.24-3,375.92

Finding the Fourth Proportional to 5,145.68, 7,101.24 and 3,375.92

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Solution

The fourth proportional to 5,145.68, 7,101.24 and 3,375.92 is: 4,658.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,145.68 : 7,101.24 = 3,375.92 : x
  2. Step 2: Convert to fraction form
    5,145.68/7,101.24 = 3,375.92/x
  3. Step 3: Cross multiply
    5,145.68x = 7,101.24 × 3,375.92
  4. Step 4: Simplify right side
    5,145.68x = 23,973,218.14
  5. Step 5: Solve for x
    x = 23,973,218.14/5,145.68
  6. Step 6: Final answer
    x = 4,658.90

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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.