Home / 5,488.13-8,229.77-3,942.65

Finding the Fourth Proportional to 5,488.13, 8,229.77 and 3,942.65

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Solution

The fourth proportional to 5,488.13, 8,229.77 and 3,942.65 is: 5,912.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488.13 : 8,229.77 = 3,942.65 : x
  2. Step 2: Convert to fraction form
    5,488.13/8,229.77 = 3,942.65/x
  3. Step 3: Cross multiply
    5,488.13x = 8,229.77 × 3,942.65
  4. Step 4: Simplify right side
    5,488.13x = 32,447,118.34
  5. Step 5: Solve for x
    x = 32,447,118.34/5,488.13
  6. Step 6: Final answer
    x = 5,912.23

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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.