Home / 7,481.30-11,223.03-2,287.58

Finding the Fourth Proportional to 7,481.30, 11,223.03 and 2,287.58

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Solution

The fourth proportional to 7,481.30, 11,223.03 and 2,287.58 is: 3,431.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.30 : 11,223.03 = 2,287.58 : x
  2. Step 2: Convert to fraction form
    7,481.30/11,223.03 = 2,287.58/x
  3. Step 3: Cross multiply
    7,481.30x = 11,223.03 × 2,287.58
  4. Step 4: Simplify right side
    7,481.30x = 25,673,578.97
  5. Step 5: Solve for x
    x = 25,673,578.97/7,481.30
  6. Step 6: Final answer
    x = 3,431.70

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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.