Home / 8,961.68-13,434.32-3,767.92

Finding the Fourth Proportional to 8,961.68, 13,434.32 and 3,767.92

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Solution

The fourth proportional to 8,961.68, 13,434.32 and 3,767.92 is: 5,648.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961.68 : 13,434.32 = 3,767.92 : x
  2. Step 2: Convert to fraction form
    8,961.68/13,434.32 = 3,767.92/x
  3. Step 3: Cross multiply
    8,961.68x = 13,434.32 × 3,767.92
  4. Step 4: Simplify right side
    8,961.68x = 50,619,443.01
  5. Step 5: Solve for x
    x = 50,619,443.01/8,961.68
  6. Step 6: Final answer
    x = 5,648.43

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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.