Home / 7,944.44-11,920.50-3,267.90

Finding the Fourth Proportional to 7,944.44, 11,920.50 and 3,267.90

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Solution

The fourth proportional to 7,944.44, 11,920.50 and 3,267.90 is: 4,903.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,944.44 : 11,920.50 = 3,267.90 : x
  2. Step 2: Convert to fraction form
    7,944.44/11,920.50 = 3,267.90/x
  3. Step 3: Cross multiply
    7,944.44x = 11,920.50 × 3,267.90
  4. Step 4: Simplify right side
    7,944.44x = 38,955,001.95
  5. Step 5: Solve for x
    x = 38,955,001.95/7,944.44
  6. Step 6: Final answer
    x = 4,903.43

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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.