Home / 6,821.38-10,236-2,872.33

Finding the Fourth Proportional to 6,821.38, 10,236 and 2,872.33

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Solution

The fourth proportional to 6,821.38, 10,236 and 2,872.33 is: 4,310.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821.38 : 10,236 = 2,872.33 : x
  2. Step 2: Convert to fraction form
    6,821.38/10,236 = 2,872.33/x
  3. Step 3: Cross multiply
    6,821.38x = 10,236 × 2,872.33
  4. Step 4: Simplify right side
    6,821.38x = 29,401,169.88
  5. Step 5: Solve for x
    x = 29,401,169.88/6,821.38
  6. Step 6: Final answer
    x = 4,310.15

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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.