Home / 7,759.30-11,637.19-2,212.52

Finding the Fourth Proportional to 7,759.30, 11,637.19 and 2,212.52

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Solution

The fourth proportional to 7,759.30, 11,637.19 and 2,212.52 is: 3,318.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,759.30 : 11,637.19 = 2,212.52 : x
  2. Step 2: Convert to fraction form
    7,759.30/11,637.19 = 2,212.52/x
  3. Step 3: Cross multiply
    7,759.30x = 11,637.19 × 2,212.52
  4. Step 4: Simplify right side
    7,759.30x = 25,747,515.62
  5. Step 5: Solve for x
    x = 25,747,515.62/7,759.30
  6. Step 6: Final answer
    x = 3,318.28

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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.