Home / 6,827.45-9,422.78-3,843.86

Finding the Fourth Proportional to 6,827.45, 9,422.78 and 3,843.86

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Solution

The fourth proportional to 6,827.45, 9,422.78 and 3,843.86 is: 5,305.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,827.45 : 9,422.78 = 3,843.86 : x
  2. Step 2: Convert to fraction form
    6,827.45/9,422.78 = 3,843.86/x
  3. Step 3: Cross multiply
    6,827.45x = 9,422.78 × 3,843.86
  4. Step 4: Simplify right side
    6,827.45x = 36,219,833.80
  5. Step 5: Solve for x
    x = 36,219,833.80/6,827.45
  6. Step 6: Final answer
    x = 5,305.03

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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.