Home / 7,589.90-11,380.91-2,908.52

Finding the Fourth Proportional to 7,589.90, 11,380.91 and 2,908.52

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Solution

The fourth proportional to 7,589.90, 11,380.91 and 2,908.52 is: 4,361.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,589.90 : 11,380.91 = 2,908.52 : x
  2. Step 2: Convert to fraction form
    7,589.90/11,380.91 = 2,908.52/x
  3. Step 3: Cross multiply
    7,589.90x = 11,380.91 × 2,908.52
  4. Step 4: Simplify right side
    7,589.90x = 33,101,604.35
  5. Step 5: Solve for x
    x = 33,101,604.35/7,589.90
  6. Step 6: Final answer
    x = 4,361.27

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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.