Home / 8,187.41-12,282.92-4,487.73

Finding the Fourth Proportional to 8,187.41, 12,282.92 and 4,487.73

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Solution

The fourth proportional to 8,187.41, 12,282.92 and 4,487.73 is: 6,732.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187.41 : 12,282.92 = 4,487.73 : x
  2. Step 2: Convert to fraction form
    8,187.41/12,282.92 = 4,487.73/x
  3. Step 3: Cross multiply
    8,187.41x = 12,282.92 × 4,487.73
  4. Step 4: Simplify right side
    8,187.41x = 55,122,439.79
  5. Step 5: Solve for x
    x = 55,122,439.79/8,187.41
  6. Step 6: Final answer
    x = 6,732.59

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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.