Home / 7,722.72-11,587.32-2,529

Finding the Fourth Proportional to 7,722.72, 11,587.32 and 2,529

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Solution

The fourth proportional to 7,722.72, 11,587.32 and 2,529 is: 3,794.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722.72 : 11,587.32 = 2,529 : x
  2. Step 2: Convert to fraction form
    7,722.72/11,587.32 = 2,529/x
  3. Step 3: Cross multiply
    7,722.72x = 11,587.32 × 2,529
  4. Step 4: Simplify right side
    7,722.72x = 29,304,332.28
  5. Step 5: Solve for x
    x = 29,304,332.28/7,722.72
  6. Step 6: Final answer
    x = 3,794.56

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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.