Home / 7,786.26-11,665.35-4,272.48

Finding the Fourth Proportional to 7,786.26, 11,665.35 and 4,272.48

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Solution

The fourth proportional to 7,786.26, 11,665.35 and 4,272.48 is: 6,401.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,786.26 : 11,665.35 = 4,272.48 : x
  2. Step 2: Convert to fraction form
    7,786.26/11,665.35 = 4,272.48/x
  3. Step 3: Cross multiply
    7,786.26x = 11,665.35 × 4,272.48
  4. Step 4: Simplify right side
    7,786.26x = 49,839,974.57
  5. Step 5: Solve for x
    x = 49,839,974.57/7,786.26
  6. Step 6: Final answer
    x = 6,401.02

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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.