Home / 5,942.81-8,912.39-4,105.73

Finding the Fourth Proportional to 5,942.81, 8,912.39 and 4,105.73

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Solution

The fourth proportional to 5,942.81, 8,912.39 and 4,105.73 is: 6,157.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,942.81 : 8,912.39 = 4,105.73 : x
  2. Step 2: Convert to fraction form
    5,942.81/8,912.39 = 4,105.73/x
  3. Step 3: Cross multiply
    5,942.81x = 8,912.39 × 4,105.73
  4. Step 4: Simplify right side
    5,942.81x = 36,591,866.99
  5. Step 5: Solve for x
    x = 36,591,866.99/5,942.81
  6. Step 6: Final answer
    x = 6,157.33

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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.