Home / 7,231.25-10,849.07-5,126.95

Finding the Fourth Proportional to 7,231.25, 10,849.07 and 5,126.95

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Solution

The fourth proportional to 7,231.25, 10,849.07 and 5,126.95 is: 7,691.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231.25 : 10,849.07 = 5,126.95 : x
  2. Step 2: Convert to fraction form
    7,231.25/10,849.07 = 5,126.95/x
  3. Step 3: Cross multiply
    7,231.25x = 10,849.07 × 5,126.95
  4. Step 4: Simplify right side
    7,231.25x = 55,622,639.44
  5. Step 5: Solve for x
    x = 55,622,639.44/7,231.25
  6. Step 6: Final answer
    x = 7,691.98

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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.