Home / 6,138.09-9,207.99-2,241.54

Finding the Fourth Proportional to 6,138.09, 9,207.99 and 2,241.54

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Solution

The fourth proportional to 6,138.09, 9,207.99 and 2,241.54 is: 3,362.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,138.09 : 9,207.99 = 2,241.54 : x
  2. Step 2: Convert to fraction form
    6,138.09/9,207.99 = 2,241.54/x
  3. Step 3: Cross multiply
    6,138.09x = 9,207.99 × 2,241.54
  4. Step 4: Simplify right side
    6,138.09x = 20,640,077.90
  5. Step 5: Solve for x
    x = 20,640,077.90/6,138.09
  6. Step 6: Final answer
    x = 3,362.62

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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.