Home / 7,251.45-10,876.82-2,571.38

Finding the Fourth Proportional to 7,251.45, 10,876.82 and 2,571.38

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Solution

The fourth proportional to 7,251.45, 10,876.82 and 2,571.38 is: 3,856.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251.45 : 10,876.82 = 2,571.38 : x
  2. Step 2: Convert to fraction form
    7,251.45/10,876.82 = 2,571.38/x
  3. Step 3: Cross multiply
    7,251.45x = 10,876.82 × 2,571.38
  4. Step 4: Simplify right side
    7,251.45x = 27,968,370.17
  5. Step 5: Solve for x
    x = 27,968,370.17/7,251.45
  6. Step 6: Final answer
    x = 3,856.93

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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.