Home / 7,131.08-10,698.11-2,200.61

Finding the Fourth Proportional to 7,131.08, 10,698.11 and 2,200.61

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Solution

The fourth proportional to 7,131.08, 10,698.11 and 2,200.61 is: 3,301.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131.08 : 10,698.11 = 2,200.61 : x
  2. Step 2: Convert to fraction form
    7,131.08/10,698.11 = 2,200.61/x
  3. Step 3: Cross multiply
    7,131.08x = 10,698.11 × 2,200.61
  4. Step 4: Simplify right side
    7,131.08x = 23,542,367.85
  5. Step 5: Solve for x
    x = 23,542,367.85/7,131.08
  6. Step 6: Final answer
    x = 3,301.37

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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.