Home / 6,253.66-8,634.39-3,896.86

Finding the Fourth Proportional to 6,253.66, 8,634.39 and 3,896.86

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Solution

The fourth proportional to 6,253.66, 8,634.39 and 3,896.86 is: 5,380.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,253.66 : 8,634.39 = 3,896.86 : x
  2. Step 2: Convert to fraction form
    6,253.66/8,634.39 = 3,896.86/x
  3. Step 3: Cross multiply
    6,253.66x = 8,634.39 × 3,896.86
  4. Step 4: Simplify right side
    6,253.66x = 33,647,009.02
  5. Step 5: Solve for x
    x = 33,647,009.02/6,253.66
  6. Step 6: Final answer
    x = 5,380.37

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Double scale
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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.