Home / 8,546.12-11,789.46-6,654.36

Finding the Fourth Proportional to 8,546.12, 11,789.46 and 6,654.36

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Solution

The fourth proportional to 8,546.12, 11,789.46 and 6,654.36 is: 9,179.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,546.12 : 11,789.46 = 6,654.36 : x
  2. Step 2: Convert to fraction form
    8,546.12/11,789.46 = 6,654.36/x
  3. Step 3: Cross multiply
    8,546.12x = 11,789.46 × 6,654.36
  4. Step 4: Simplify right side
    8,546.12x = 78,451,311.05
  5. Step 5: Solve for x
    x = 78,451,311.05/8,546.12
  6. Step 6: Final answer
    x = 9,179.76

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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.