Home / 8,668.31-13,004.42-2,745.56

Finding the Fourth Proportional to 8,668.31, 13,004.42 and 2,745.56

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Solution

The fourth proportional to 8,668.31, 13,004.42 and 2,745.56 is: 4,118.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,668.31 : 13,004.42 = 2,745.56 : x
  2. Step 2: Convert to fraction form
    8,668.31/13,004.42 = 2,745.56/x
  3. Step 3: Cross multiply
    8,668.31x = 13,004.42 × 2,745.56
  4. Step 4: Simplify right side
    8,668.31x = 35,704,415.38
  5. Step 5: Solve for x
    x = 35,704,415.38/8,668.31
  6. Step 6: Final answer
    x = 4,118.96

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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.