Home / 6,821.28-10,231.98-2,204.28

Finding the Fourth Proportional to 6,821.28, 10,231.98 and 2,204.28

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Solution

The fourth proportional to 6,821.28, 10,231.98 and 2,204.28 is: 3,306.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821.28 : 10,231.98 = 2,204.28 : x
  2. Step 2: Convert to fraction form
    6,821.28/10,231.98 = 2,204.28/x
  3. Step 3: Cross multiply
    6,821.28x = 10,231.98 × 2,204.28
  4. Step 4: Simplify right side
    6,821.28x = 22,554,148.87
  5. Step 5: Solve for x
    x = 22,554,148.87/6,821.28
  6. Step 6: Final answer
    x = 3,306.44

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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.