Home / 4,812.52-7,221.66-2,761.96

Finding the Fourth Proportional to 4,812.52, 7,221.66 and 2,761.96

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Solution

The fourth proportional to 4,812.52, 7,221.66 and 2,761.96 is: 4,144.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.52 : 7,221.66 = 2,761.96 : x
  2. Step 2: Convert to fraction form
    4,812.52/7,221.66 = 2,761.96/x
  3. Step 3: Cross multiply
    4,812.52x = 7,221.66 × 2,761.96
  4. Step 4: Simplify right side
    4,812.52x = 19,945,936.05
  5. Step 5: Solve for x
    x = 19,945,936.05/4,812.52
  6. Step 6: Final answer
    x = 4,144.59

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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.