Home / 6,923.81-10,385.88-2,481.78

Finding the Fourth Proportional to 6,923.81, 10,385.88 and 2,481.78

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Solution

The fourth proportional to 6,923.81, 10,385.88 and 2,481.78 is: 3,722.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,923.81 : 10,385.88 = 2,481.78 : x
  2. Step 2: Convert to fraction form
    6,923.81/10,385.88 = 2,481.78/x
  3. Step 3: Cross multiply
    6,923.81x = 10,385.88 × 2,481.78
  4. Step 4: Simplify right side
    6,923.81x = 25,775,469.27
  5. Step 5: Solve for x
    x = 25,775,469.27/6,923.81
  6. Step 6: Final answer
    x = 3,722.73

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1.5x scale

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.