Home / 7,767.09-11,651.85-2,571.75

Finding the Fourth Proportional to 7,767.09, 11,651.85 and 2,571.75

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Solution

The fourth proportional to 7,767.09, 11,651.85 and 2,571.75 is: 3,858.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,767.09 : 11,651.85 = 2,571.75 : x
  2. Step 2: Convert to fraction form
    7,767.09/11,651.85 = 2,571.75/x
  3. Step 3: Cross multiply
    7,767.09x = 11,651.85 × 2,571.75
  4. Step 4: Simplify right side
    7,767.09x = 29,965,645.24
  5. Step 5: Solve for x
    x = 29,965,645.24/7,767.09
  6. Step 6: Final answer
    x = 3,858.03

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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.