Home / 8,936.71-13,405.10-3,738.94

Finding the Fourth Proportional to 8,936.71, 13,405.10 and 3,738.94

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Solution

The fourth proportional to 8,936.71, 13,405.10 and 3,738.94 is: 5,608.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.71 : 13,405.10 = 3,738.94 : x
  2. Step 2: Convert to fraction form
    8,936.71/13,405.10 = 3,738.94/x
  3. Step 3: Cross multiply
    8,936.71x = 13,405.10 × 3,738.94
  4. Step 4: Simplify right side
    8,936.71x = 50,120,864.59
  5. Step 5: Solve for x
    x = 50,120,864.59/8,936.71
  6. Step 6: Final answer
    x = 5,608.42

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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.