Home / 8,305.38-12,479.60-6,244.82

Finding the Fourth Proportional to 8,305.38, 12,479.60 and 6,244.82

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Solution

The fourth proportional to 8,305.38, 12,479.60 and 6,244.82 is: 9,383.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305.38 : 12,479.60 = 6,244.82 : x
  2. Step 2: Convert to fraction form
    8,305.38/12,479.60 = 6,244.82/x
  3. Step 3: Cross multiply
    8,305.38x = 12,479.60 × 6,244.82
  4. Step 4: Simplify right side
    8,305.38x = 77,932,855.67
  5. Step 5: Solve for x
    x = 77,932,855.67/8,305.38
  6. Step 6: Final answer
    x = 9,383.42

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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.