Home / 5,296.85-7,310.54-2,939.75

Finding the Fourth Proportional to 5,296.85, 7,310.54 and 2,939.75

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Solution

The fourth proportional to 5,296.85, 7,310.54 and 2,939.75 is: 4,057.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,296.85 : 7,310.54 = 2,939.75 : x
  2. Step 2: Convert to fraction form
    5,296.85/7,310.54 = 2,939.75/x
  3. Step 3: Cross multiply
    5,296.85x = 7,310.54 × 2,939.75
  4. Step 4: Simplify right side
    5,296.85x = 21,491,163.54
  5. Step 5: Solve for x
    x = 21,491,163.54/5,296.85
  6. Step 6: Final answer
    x = 4,057.35

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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.