Home / 5,540.42-8,311.14-2,617.94

Finding the Fourth Proportional to 5,540.42, 8,311.14 and 2,617.94

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Solution

The fourth proportional to 5,540.42, 8,311.14 and 2,617.94 is: 3,927.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.42 : 8,311.14 = 2,617.94 : x
  2. Step 2: Convert to fraction form
    5,540.42/8,311.14 = 2,617.94/x
  3. Step 3: Cross multiply
    5,540.42x = 8,311.14 × 2,617.94
  4. Step 4: Simplify right side
    5,540.42x = 21,758,065.85
  5. Step 5: Solve for x
    x = 21,758,065.85/5,540.42
  6. Step 6: Final answer
    x = 3,927.15

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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.