Home / 5,077.26-7,006.68-2,839.05

Finding the Fourth Proportional to 5,077.26, 7,006.68 and 2,839.05

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Solution

The fourth proportional to 5,077.26, 7,006.68 and 2,839.05 is: 3,917.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.26 : 7,006.68 = 2,839.05 : x
  2. Step 2: Convert to fraction form
    5,077.26/7,006.68 = 2,839.05/x
  3. Step 3: Cross multiply
    5,077.26x = 7,006.68 × 2,839.05
  4. Step 4: Simplify right side
    5,077.26x = 19,892,314.85
  5. Step 5: Solve for x
    x = 19,892,314.85/5,077.26
  6. Step 6: Final answer
    x = 3,917.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.