Home / 6,153.26-9,231.20-2,819.90

Finding the Fourth Proportional to 6,153.26, 9,231.20 and 2,819.90

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Solution

The fourth proportional to 6,153.26, 9,231.20 and 2,819.90 is: 4,230.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,153.26 : 9,231.20 = 2,819.90 : x
  2. Step 2: Convert to fraction form
    6,153.26/9,231.20 = 2,819.90/x
  3. Step 3: Cross multiply
    6,153.26x = 9,231.20 × 2,819.90
  4. Step 4: Simplify right side
    6,153.26x = 26,031,000.62
  5. Step 5: Solve for x
    x = 26,031,000.62/6,153.26
  6. Step 6: Final answer
    x = 4,230.44

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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.