Home / 5,175.73-7,764.36-2,402.68

Finding the Fourth Proportional to 5,175.73, 7,764.36 and 2,402.68

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Solution

The fourth proportional to 5,175.73, 7,764.36 and 2,402.68 is: 3,604.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.73 : 7,764.36 = 2,402.68 : x
  2. Step 2: Convert to fraction form
    5,175.73/7,764.36 = 2,402.68/x
  3. Step 3: Cross multiply
    5,175.73x = 7,764.36 × 2,402.68
  4. Step 4: Simplify right side
    5,175.73x = 18,655,272.48
  5. Step 5: Solve for x
    x = 18,655,272.48/5,175.73
  6. Step 6: Final answer
    x = 3,604.38

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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.