Home / 7,175.27-9,901.49-4,031.25

Finding the Fourth Proportional to 7,175.27, 9,901.49 and 4,031.25

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Solution

The fourth proportional to 7,175.27, 9,901.49 and 4,031.25 is: 5,562.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175.27 : 9,901.49 = 4,031.25 : x
  2. Step 2: Convert to fraction form
    7,175.27/9,901.49 = 4,031.25/x
  3. Step 3: Cross multiply
    7,175.27x = 9,901.49 × 4,031.25
  4. Step 4: Simplify right side
    7,175.27x = 39,915,361.41
  5. Step 5: Solve for x
    x = 39,915,361.41/7,175.27
  6. Step 6: Final answer
    x = 5,562.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.