Home / 5,122.18-7,679.62-3,037.24

Finding the Fourth Proportional to 5,122.18, 7,679.62 and 3,037.24

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Solution

The fourth proportional to 5,122.18, 7,679.62 and 3,037.24 is: 4,553.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.18 : 7,679.62 = 3,037.24 : x
  2. Step 2: Convert to fraction form
    5,122.18/7,679.62 = 3,037.24/x
  3. Step 3: Cross multiply
    5,122.18x = 7,679.62 × 3,037.24
  4. Step 4: Simplify right side
    5,122.18x = 23,324,822.26
  5. Step 5: Solve for x
    x = 23,324,822.26/5,122.18
  6. Step 6: Final answer
    x = 4,553.69

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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.