Home / 7,963.97-11,947.39-3,281.37

Finding the Fourth Proportional to 7,963.97, 11,947.39 and 3,281.37

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Solution

The fourth proportional to 7,963.97, 11,947.39 and 3,281.37 is: 4,922.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,963.97 : 11,947.39 = 3,281.37 : x
  2. Step 2: Convert to fraction form
    7,963.97/11,947.39 = 3,281.37/x
  3. Step 3: Cross multiply
    7,963.97x = 11,947.39 × 3,281.37
  4. Step 4: Simplify right side
    7,963.97x = 39,203,859.46
  5. Step 5: Solve for x
    x = 39,203,859.46/7,963.97
  6. Step 6: Final answer
    x = 4,922.65

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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.