Home / 7,960.85-11,947.49-5,512.83

Finding the Fourth Proportional to 7,960.85, 11,947.49 and 5,512.83

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Solution

The fourth proportional to 7,960.85, 11,947.49 and 5,512.83 is: 8,273.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.85 : 11,947.49 = 5,512.83 : x
  2. Step 2: Convert to fraction form
    7,960.85/11,947.49 = 5,512.83/x
  3. Step 3: Cross multiply
    7,960.85x = 11,947.49 × 5,512.83
  4. Step 4: Simplify right side
    7,960.85x = 65,864,453.73
  5. Step 5: Solve for x
    x = 65,864,453.73/7,960.85
  6. Step 6: Final answer
    x = 8,273.55

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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.