Home / 9,028.80-13,540.46-3,481.72

Finding the Fourth Proportional to 9,028.80, 13,540.46 and 3,481.72

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Solution

The fourth proportional to 9,028.80, 13,540.46 and 3,481.72 is: 5,221.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,028.80 : 13,540.46 = 3,481.72 : x
  2. Step 2: Convert to fraction form
    9,028.80/13,540.46 = 3,481.72/x
  3. Step 3: Cross multiply
    9,028.80x = 13,540.46 × 3,481.72
  4. Step 4: Simplify right side
    9,028.80x = 47,144,090.39
  5. Step 5: Solve for x
    x = 47,144,090.39/9,028.80
  6. Step 6: Final answer
    x = 5,221.52

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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.