Home / 8,247.33-11,381.33-4,891.79

Finding the Fourth Proportional to 8,247.33, 11,381.33 and 4,891.79

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Solution

The fourth proportional to 8,247.33, 11,381.33 and 4,891.79 is: 6,750.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.33 : 11,381.33 = 4,891.79 : x
  2. Step 2: Convert to fraction form
    8,247.33/11,381.33 = 4,891.79/x
  3. Step 3: Cross multiply
    8,247.33x = 11,381.33 × 4,891.79
  4. Step 4: Simplify right side
    8,247.33x = 55,675,076.28
  5. Step 5: Solve for x
    x = 55,675,076.28/8,247.33
  6. Step 6: Final answer
    x = 6,750.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.