Home / 7,481.06-11,220.32-2,215.96

Finding the Fourth Proportional to 7,481.06, 11,220.32 and 2,215.96

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Solution

The fourth proportional to 7,481.06, 11,220.32 and 2,215.96 is: 3,323.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.06 : 11,220.32 = 2,215.96 : x
  2. Step 2: Convert to fraction form
    7,481.06/11,220.32 = 2,215.96/x
  3. Step 3: Cross multiply
    7,481.06x = 11,220.32 × 2,215.96
  4. Step 4: Simplify right side
    7,481.06x = 24,863,757.80
  5. Step 5: Solve for x
    x = 24,863,757.80/7,481.06
  6. Step 6: Final answer
    x = 3,323.56

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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.