Home / 6,872.82-10,310.28-2,491.30

Finding the Fourth Proportional to 6,872.82, 10,310.28 and 2,491.30

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Solution

The fourth proportional to 6,872.82, 10,310.28 and 2,491.30 is: 3,737.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872.82 : 10,310.28 = 2,491.30 : x
  2. Step 2: Convert to fraction form
    6,872.82/10,310.28 = 2,491.30/x
  3. Step 3: Cross multiply
    6,872.82x = 10,310.28 × 2,491.30
  4. Step 4: Simplify right side
    6,872.82x = 25,686,000.56
  5. Step 5: Solve for x
    x = 25,686,000.56/6,872.82
  6. Step 6: Final answer
    x = 3,737.33

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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.