Home / 5,540.39-8,311.10-2,207.84

Finding the Fourth Proportional to 5,540.39, 8,311.10 and 2,207.84

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Solution

The fourth proportional to 5,540.39, 8,311.10 and 2,207.84 is: 3,311.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.39 : 8,311.10 = 2,207.84 : x
  2. Step 2: Convert to fraction form
    5,540.39/8,311.10 = 2,207.84/x
  3. Step 3: Cross multiply
    5,540.39x = 8,311.10 × 2,207.84
  4. Step 4: Simplify right side
    5,540.39x = 18,349,542.99
  5. Step 5: Solve for x
    x = 18,349,542.99/5,540.39
  6. Step 6: Final answer
    x = 3,311.96

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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.