Home / 5,540.67-8,290.35-3,320.73

Finding the Fourth Proportional to 5,540.67, 8,290.35 and 3,320.73

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Solution

The fourth proportional to 5,540.67, 8,290.35 and 3,320.73 is: 4,968.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.67 : 8,290.35 = 3,320.73 : x
  2. Step 2: Convert to fraction form
    5,540.67/8,290.35 = 3,320.73/x
  3. Step 3: Cross multiply
    5,540.67x = 8,290.35 × 3,320.73
  4. Step 4: Simplify right side
    5,540.67x = 27,530,013.96
  5. Step 5: Solve for x
    x = 27,530,013.96/5,540.67
  6. Step 6: Final answer
    x = 4,968.72

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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.