Home / 6,923.35-9,554.43-3,939.61

Finding the Fourth Proportional to 6,923.35, 9,554.43 and 3,939.61

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Solution

The fourth proportional to 6,923.35, 9,554.43 and 3,939.61 is: 5,436.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,923.35 : 9,554.43 = 3,939.61 : x
  2. Step 2: Convert to fraction form
    6,923.35/9,554.43 = 3,939.61/x
  3. Step 3: Cross multiply
    6,923.35x = 9,554.43 × 3,939.61
  4. Step 4: Simplify right side
    6,923.35x = 37,640,727.97
  5. Step 5: Solve for x
    x = 37,640,727.97/6,923.35
  6. Step 6: Final answer
    x = 5,436.78

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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.