Home / 6,731.72-10,082.55-4,878.58

Finding the Fourth Proportional to 6,731.72, 10,082.55 and 4,878.58

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Solution

The fourth proportional to 6,731.72, 10,082.55 and 4,878.58 is: 7,306.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,731.72 : 10,082.55 = 4,878.58 : x
  2. Step 2: Convert to fraction form
    6,731.72/10,082.55 = 4,878.58/x
  3. Step 3: Cross multiply
    6,731.72x = 10,082.55 × 4,878.58
  4. Step 4: Simplify right side
    6,731.72x = 49,188,504.70
  5. Step 5: Solve for x
    x = 49,188,504.70/6,731.72
  6. Step 6: Final answer
    x = 7,306.97

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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.