Home / 6,107.72-9,163.60-2,987.09

Finding the Fourth Proportional to 6,107.72, 9,163.60 and 2,987.09

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Solution

The fourth proportional to 6,107.72, 9,163.60 and 2,987.09 is: 4,481.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,107.72 : 9,163.60 = 2,987.09 : x
  2. Step 2: Convert to fraction form
    6,107.72/9,163.60 = 2,987.09/x
  3. Step 3: Cross multiply
    6,107.72x = 9,163.60 × 2,987.09
  4. Step 4: Simplify right side
    6,107.72x = 27,372,479.00
  5. Step 5: Solve for x
    x = 27,372,479.00/6,107.72
  6. Step 6: Final answer
    x = 4,481.62

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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.