Home / 7,945.09-11,912.99-2,396.77

Finding the Fourth Proportional to 7,945.09, 11,912.99 and 2,396.77

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Solution

The fourth proportional to 7,945.09, 11,912.99 and 2,396.77 is: 3,593.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.09 : 11,912.99 = 2,396.77 : x
  2. Step 2: Convert to fraction form
    7,945.09/11,912.99 = 2,396.77/x
  3. Step 3: Cross multiply
    7,945.09x = 11,912.99 × 2,396.77
  4. Step 4: Simplify right side
    7,945.09x = 28,552,643.47
  5. Step 5: Solve for x
    x = 28,552,643.47/7,945.09
  6. Step 6: Final answer
    x = 3,593.75

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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.