Home / 7,991.53-11,986.48-2,797

Finding the Fourth Proportional to 7,991.53, 11,986.48 and 2,797

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Solution

The fourth proportional to 7,991.53, 11,986.48 and 2,797 is: 4,195.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,991.53 : 11,986.48 = 2,797 : x
  2. Step 2: Convert to fraction form
    7,991.53/11,986.48 = 2,797/x
  3. Step 3: Cross multiply
    7,991.53x = 11,986.48 × 2,797
  4. Step 4: Simplify right side
    7,991.53x = 33,526,184.56
  5. Step 5: Solve for x
    x = 33,526,184.56/7,991.53
  6. Step 6: Final answer
    x = 4,195.21

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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.