Home / 5,481.46-8,221.48-2,194.58

Finding the Fourth Proportional to 5,481.46, 8,221.48 and 2,194.58

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Solution

The fourth proportional to 5,481.46, 8,221.48 and 2,194.58 is: 3,291.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.46 : 8,221.48 = 2,194.58 : x
  2. Step 2: Convert to fraction form
    5,481.46/8,221.48 = 2,194.58/x
  3. Step 3: Cross multiply
    5,481.46x = 8,221.48 × 2,194.58
  4. Step 4: Simplify right side
    5,481.46x = 18,042,695.58
  5. Step 5: Solve for x
    x = 18,042,695.58/5,481.46
  6. Step 6: Final answer
    x = 3,291.59

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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.