Home / 8,936.85-13,401.33-4,255.47

Finding the Fourth Proportional to 8,936.85, 13,401.33 and 4,255.47

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Solution

The fourth proportional to 8,936.85, 13,401.33 and 4,255.47 is: 6,381.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.85 : 13,401.33 = 4,255.47 : x
  2. Step 2: Convert to fraction form
    8,936.85/13,401.33 = 4,255.47/x
  3. Step 3: Cross multiply
    8,936.85x = 13,401.33 × 4,255.47
  4. Step 4: Simplify right side
    8,936.85x = 57,028,957.78
  5. Step 5: Solve for x
    x = 57,028,957.78/8,936.85
  6. Step 6: Final answer
    x = 6,381.33

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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.