Home / 5,229.37-7,845.81-1,942.75

Finding the Fourth Proportional to 5,229.37, 7,845.81 and 1,942.75

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Solution

The fourth proportional to 5,229.37, 7,845.81 and 1,942.75 is: 2,914.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.37 : 7,845.81 = 1,942.75 : x
  2. Step 2: Convert to fraction form
    5,229.37/7,845.81 = 1,942.75/x
  3. Step 3: Cross multiply
    5,229.37x = 7,845.81 × 1,942.75
  4. Step 4: Simplify right side
    5,229.37x = 15,242,447.38
  5. Step 5: Solve for x
    x = 15,242,447.38/5,229.37
  6. Step 6: Final answer
    x = 2,914.78

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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.