Home / 5,447.18-7,517.61-3,209.75

Finding the Fourth Proportional to 5,447.18, 7,517.61 and 3,209.75

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Solution

The fourth proportional to 5,447.18, 7,517.61 and 3,209.75 is: 4,429.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.18 : 7,517.61 = 3,209.75 : x
  2. Step 2: Convert to fraction form
    5,447.18/7,517.61 = 3,209.75/x
  3. Step 3: Cross multiply
    5,447.18x = 7,517.61 × 3,209.75
  4. Step 4: Simplify right side
    5,447.18x = 24,129,611.11
  5. Step 5: Solve for x
    x = 24,129,611.11/5,447.18
  6. Step 6: Final answer
    x = 4,429.75

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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.