Home / 8,571.33-12,857.93-2,726.57

Finding the Fourth Proportional to 8,571.33, 12,857.93 and 2,726.57

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Solution

The fourth proportional to 8,571.33, 12,857.93 and 2,726.57 is: 4,090.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,571.33 : 12,857.93 = 2,726.57 : x
  2. Step 2: Convert to fraction form
    8,571.33/12,857.93 = 2,726.57/x
  3. Step 3: Cross multiply
    8,571.33x = 12,857.93 × 2,726.57
  4. Step 4: Simplify right side
    8,571.33x = 35,058,046.20
  5. Step 5: Solve for x
    x = 35,058,046.20/8,571.33
  6. Step 6: Final answer
    x = 4,090.15

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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.