Home / 8,179.37-11,286.18-4,821.73

Finding the Fourth Proportional to 8,179.37, 11,286.18 and 4,821.73

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Solution

The fourth proportional to 8,179.37, 11,286.18 and 4,821.73 is: 6,653.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179.37 : 11,286.18 = 4,821.73 : x
  2. Step 2: Convert to fraction form
    8,179.37/11,286.18 = 4,821.73/x
  3. Step 3: Cross multiply
    8,179.37x = 11,286.18 × 4,821.73
  4. Step 4: Simplify right side
    8,179.37x = 54,418,947.96
  5. Step 5: Solve for x
    x = 54,418,947.96/8,179.37
  6. Step 6: Final answer
    x = 6,653.19

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Half scale
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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.