Home / 7,839.27-11,763.54-3,161.52

Finding the Fourth Proportional to 7,839.27, 11,763.54 and 3,161.52

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Solution

The fourth proportional to 7,839.27, 11,763.54 and 3,161.52 is: 4,744.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.27 : 11,763.54 = 3,161.52 : x
  2. Step 2: Convert to fraction form
    7,839.27/11,763.54 = 3,161.52/x
  3. Step 3: Cross multiply
    7,839.27x = 11,763.54 × 3,161.52
  4. Step 4: Simplify right side
    7,839.27x = 37,190,666.98
  5. Step 5: Solve for x
    x = 37,190,666.98/7,839.27
  6. Step 6: Final answer
    x = 4,744.15

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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.