Home / 4,874.28-7,312.68-2,796.66

Finding the Fourth Proportional to 4,874.28, 7,312.68 and 2,796.66

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Solution

The fourth proportional to 4,874.28, 7,312.68 and 2,796.66 is: 4,195.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.28 : 7,312.68 = 2,796.66 : x
  2. Step 2: Convert to fraction form
    4,874.28/7,312.68 = 2,796.66/x
  3. Step 3: Cross multiply
    4,874.28x = 7,312.68 × 2,796.66
  4. Step 4: Simplify right side
    4,874.28x = 20,451,079.65
  5. Step 5: Solve for x
    x = 20,451,079.65/4,874.28
  6. Step 6: Final answer
    x = 4,195.71

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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.