Home / 7,975.16-11,961.83-2,132.22

Finding the Fourth Proportional to 7,975.16, 11,961.83 and 2,132.22

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Solution

The fourth proportional to 7,975.16, 11,961.83 and 2,132.22 is: 3,198.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.16 : 11,961.83 = 2,132.22 : x
  2. Step 2: Convert to fraction form
    7,975.16/11,961.83 = 2,132.22/x
  3. Step 3: Cross multiply
    7,975.16x = 11,961.83 × 2,132.22
  4. Step 4: Simplify right side
    7,975.16x = 25,505,291.36
  5. Step 5: Solve for x
    x = 25,505,291.36/7,975.16
  6. Step 6: Final answer
    x = 3,198.09

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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.