Home / 7,273.76-10,914.40-3,380.96

Finding the Fourth Proportional to 7,273.76, 10,914.40 and 3,380.96

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Solution

The fourth proportional to 7,273.76, 10,914.40 and 3,380.96 is: 5,073.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,273.76 : 10,914.40 = 3,380.96 : x
  2. Step 2: Convert to fraction form
    7,273.76/10,914.40 = 3,380.96/x
  3. Step 3: Cross multiply
    7,273.76x = 10,914.40 × 3,380.96
  4. Step 4: Simplify right side
    7,273.76x = 36,901,149.82
  5. Step 5: Solve for x
    x = 36,901,149.82/7,273.76
  6. Step 6: Final answer
    x = 5,073.19

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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.