Home / 7,171.48-10,757.82-2,728

Finding the Fourth Proportional to 7,171.48, 10,757.82 and 2,728

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Solution

The fourth proportional to 7,171.48, 10,757.82 and 2,728 is: 4,092.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171.48 : 10,757.82 = 2,728 : x
  2. Step 2: Convert to fraction form
    7,171.48/10,757.82 = 2,728/x
  3. Step 3: Cross multiply
    7,171.48x = 10,757.82 × 2,728
  4. Step 4: Simplify right side
    7,171.48x = 29,347,332.96
  5. Step 5: Solve for x
    x = 29,347,332.96/7,171.48
  6. Step 6: Final answer
    x = 4,092.23

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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.