Home / 5,305.75-7,961.87-2,227.75

Finding the Fourth Proportional to 5,305.75, 7,961.87 and 2,227.75

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Solution

The fourth proportional to 5,305.75, 7,961.87 and 2,227.75 is: 3,342.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305.75 : 7,961.87 = 2,227.75 : x
  2. Step 2: Convert to fraction form
    5,305.75/7,961.87 = 2,227.75/x
  3. Step 3: Cross multiply
    5,305.75x = 7,961.87 × 2,227.75
  4. Step 4: Simplify right side
    5,305.75x = 17,737,055.89
  5. Step 5: Solve for x
    x = 17,737,055.89/5,305.75
  6. Step 6: Final answer
    x = 3,342.99

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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.