Home / 5,163.78-7,126.14-3,067.92

Finding the Fourth Proportional to 5,163.78, 7,126.14 and 3,067.92

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Solution

The fourth proportional to 5,163.78, 7,126.14 and 3,067.92 is: 4,233.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.78 : 7,126.14 = 3,067.92 : x
  2. Step 2: Convert to fraction form
    5,163.78/7,126.14 = 3,067.92/x
  3. Step 3: Cross multiply
    5,163.78x = 7,126.14 × 3,067.92
  4. Step 4: Simplify right side
    5,163.78x = 21,862,427.43
  5. Step 5: Solve for x
    x = 21,862,427.43/5,163.78
  6. Step 6: Final answer
    x = 4,233.80

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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.