Home / 5,500.20-7,589.58-3,141.90

Finding the Fourth Proportional to 5,500.20, 7,589.58 and 3,141.90

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Solution

The fourth proportional to 5,500.20, 7,589.58 and 3,141.90 is: 4,335.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,500.20 : 7,589.58 = 3,141.90 : x
  2. Step 2: Convert to fraction form
    5,500.20/7,589.58 = 3,141.90/x
  3. Step 3: Cross multiply
    5,500.20x = 7,589.58 × 3,141.90
  4. Step 4: Simplify right side
    5,500.20x = 23,845,701.40
  5. Step 5: Solve for x
    x = 23,845,701.40/5,500.20
  6. Step 6: Final answer
    x = 4,335.42

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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.