Home / 6,759.03-10,131.36-3,987

Finding the Fourth Proportional to 6,759.03, 10,131.36 and 3,987

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Solution

The fourth proportional to 6,759.03, 10,131.36 and 3,987 is: 5,976.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,759.03 : 10,131.36 = 3,987 : x
  2. Step 2: Convert to fraction form
    6,759.03/10,131.36 = 3,987/x
  3. Step 3: Cross multiply
    6,759.03x = 10,131.36 × 3,987
  4. Step 4: Simplify right side
    6,759.03x = 40,393,732.32
  5. Step 5: Solve for x
    x = 40,393,732.32/6,759.03
  6. Step 6: Final answer
    x = 5,976.26

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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.