Home / 5,481.60-7,563.48-3,243.54

Finding the Fourth Proportional to 5,481.60, 7,563.48 and 3,243.54

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Solution

The fourth proportional to 5,481.60, 7,563.48 and 3,243.54 is: 4,475.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.60 : 7,563.48 = 3,243.54 : x
  2. Step 2: Convert to fraction form
    5,481.60/7,563.48 = 3,243.54/x
  3. Step 3: Cross multiply
    5,481.60x = 7,563.48 × 3,243.54
  4. Step 4: Simplify right side
    5,481.60x = 24,532,449.92
  5. Step 5: Solve for x
    x = 24,532,449.92/5,481.60
  6. Step 6: Final answer
    x = 4,475.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.