Home / 6,537.80-9,789.42-3,453.32

Finding the Fourth Proportional to 6,537.80, 9,789.42 and 3,453.32

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Solution

The fourth proportional to 6,537.80, 9,789.42 and 3,453.32 is: 5,170.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,537.80 : 9,789.42 = 3,453.32 : x
  2. Step 2: Convert to fraction form
    6,537.80/9,789.42 = 3,453.32/x
  3. Step 3: Cross multiply
    6,537.80x = 9,789.42 × 3,453.32
  4. Step 4: Simplify right side
    6,537.80x = 33,805,999.87
  5. Step 5: Solve for x
    x = 33,805,999.87/6,537.80
  6. Step 6: Final answer
    x = 5,170.85

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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.