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Finding the Fourth Proportional to 8,383.56, 12,575.37 and 2,836.95

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Solution

The fourth proportional to 8,383.56, 12,575.37 and 2,836.95 is: 4,255.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,383.56 : 12,575.37 = 2,836.95 : x
  2. Step 2: Convert to fraction form
    8,383.56/12,575.37 = 2,836.95/x
  3. Step 3: Cross multiply
    8,383.56x = 12,575.37 × 2,836.95
  4. Step 4: Simplify right side
    8,383.56x = 35,675,695.92
  5. Step 5: Solve for x
    x = 35,675,695.92/8,383.56
  6. Step 6: Final answer
    x = 4,255.44

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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.