Home / 5,556.20-8,323.10-3,469.80

Finding the Fourth Proportional to 5,556.20, 8,323.10 and 3,469.80

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Solution

The fourth proportional to 5,556.20, 8,323.10 and 3,469.80 is: 5,197.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.20 : 8,323.10 = 3,469.80 : x
  2. Step 2: Convert to fraction form
    5,556.20/8,323.10 = 3,469.80/x
  3. Step 3: Cross multiply
    5,556.20x = 8,323.10 × 3,469.80
  4. Step 4: Simplify right side
    5,556.20x = 28,879,492.38
  5. Step 5: Solve for x
    x = 28,879,492.38/5,556.20
  6. Step 6: Final answer
    x = 5,197.71

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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.