Home / 5,221.26-7,205.69-2,951.82

Finding the Fourth Proportional to 5,221.26, 7,205.69 and 2,951.82

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Solution

The fourth proportional to 5,221.26, 7,205.69 and 2,951.82 is: 4,073.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.26 : 7,205.69 = 2,951.82 : x
  2. Step 2: Convert to fraction form
    5,221.26/7,205.69 = 2,951.82/x
  3. Step 3: Cross multiply
    5,221.26x = 7,205.69 × 2,951.82
  4. Step 4: Simplify right side
    5,221.26x = 21,269,907.24
  5. Step 5: Solve for x
    x = 21,269,907.24/5,221.26
  6. Step 6: Final answer
    x = 4,073.71

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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.