Home / 7,481.31-11,224.25-3,535.60

Finding the Fourth Proportional to 7,481.31, 11,224.25 and 3,535.60

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Solution

The fourth proportional to 7,481.31, 11,224.25 and 3,535.60 is: 5,304.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.31 : 11,224.25 = 3,535.60 : x
  2. Step 2: Convert to fraction form
    7,481.31/11,224.25 = 3,535.60/x
  3. Step 3: Cross multiply
    7,481.31x = 11,224.25 × 3,535.60
  4. Step 4: Simplify right side
    7,481.31x = 39,684,466.75
  5. Step 5: Solve for x
    x = 39,684,466.75/7,481.31
  6. Step 6: Final answer
    x = 5,304.48

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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.