Home / 8,158.89-12,236.51-3,994.73

Finding the Fourth Proportional to 8,158.89, 12,236.51 and 3,994.73

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Solution

The fourth proportional to 8,158.89, 12,236.51 and 3,994.73 is: 5,991.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.89 : 12,236.51 = 3,994.73 : x
  2. Step 2: Convert to fraction form
    8,158.89/12,236.51 = 3,994.73/x
  3. Step 3: Cross multiply
    8,158.89x = 12,236.51 × 3,994.73
  4. Step 4: Simplify right side
    8,158.89x = 48,881,472.44
  5. Step 5: Solve for x
    x = 48,881,472.44/8,158.89
  6. Step 6: Final answer
    x = 5,991.19

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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.