Home / 7,961.50-11,947.38-3,344.50

Finding the Fourth Proportional to 7,961.50, 11,947.38 and 3,344.50

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Solution

The fourth proportional to 7,961.50, 11,947.38 and 3,344.50 is: 5,018.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.50 : 11,947.38 = 3,344.50 : x
  2. Step 2: Convert to fraction form
    7,961.50/11,947.38 = 3,344.50/x
  3. Step 3: Cross multiply
    7,961.50x = 11,947.38 × 3,344.50
  4. Step 4: Simplify right side
    7,961.50x = 39,958,012.41
  5. Step 5: Solve for x
    x = 39,958,012.41/7,961.50
  6. Step 6: Final answer
    x = 5,018.91

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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.