Home / 6,872.33-10,311.48-2,715.38

Finding the Fourth Proportional to 6,872.33, 10,311.48 and 2,715.38

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Solution

The fourth proportional to 6,872.33, 10,311.48 and 2,715.38 is: 4,074.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872.33 : 10,311.48 = 2,715.38 : x
  2. Step 2: Convert to fraction form
    6,872.33/10,311.48 = 2,715.38/x
  3. Step 3: Cross multiply
    6,872.33x = 10,311.48 × 2,715.38
  4. Step 4: Simplify right side
    6,872.33x = 27,999,586.56
  5. Step 5: Solve for x
    x = 27,999,586.56/6,872.33
  6. Step 6: Final answer
    x = 4,074.25

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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.