Home / 7,518.31-11,273.91-2,251.29

Finding the Fourth Proportional to 7,518.31, 11,273.91 and 2,251.29

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Solution

The fourth proportional to 7,518.31, 11,273.91 and 2,251.29 is: 3,375.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.31 : 11,273.91 = 2,251.29 : x
  2. Step 2: Convert to fraction form
    7,518.31/11,273.91 = 2,251.29/x
  3. Step 3: Cross multiply
    7,518.31x = 11,273.91 × 2,251.29
  4. Step 4: Simplify right side
    7,518.31x = 25,380,840.84
  5. Step 5: Solve for x
    x = 25,380,840.84/7,518.31
  6. Step 6: Final answer
    x = 3,375.87

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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.