Home / 7,481.90-11,224.78-2,801.97

Finding the Fourth Proportional to 7,481.90, 11,224.78 and 2,801.97

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Solution

The fourth proportional to 7,481.90, 11,224.78 and 2,801.97 is: 4,203.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.90 : 11,224.78 = 2,801.97 : x
  2. Step 2: Convert to fraction form
    7,481.90/11,224.78 = 2,801.97/x
  3. Step 3: Cross multiply
    7,481.90x = 11,224.78 × 2,801.97
  4. Step 4: Simplify right side
    7,481.90x = 31,451,489.81
  5. Step 5: Solve for x
    x = 31,451,489.81/7,481.90
  6. Step 6: Final answer
    x = 4,203.68

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1.5x scale

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.