Home / 3,923.05-5,912.13-3,533.54

Finding the Fourth Proportional to 3,923.05, 5,912.13 and 3,533.54

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Solution

The fourth proportional to 3,923.05, 5,912.13 and 3,533.54 is: 5,325.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.05 : 5,912.13 = 3,533.54 : x
  2. Step 2: Convert to fraction form
    3,923.05/5,912.13 = 3,533.54/x
  3. Step 3: Cross multiply
    3,923.05x = 5,912.13 × 3,533.54
  4. Step 4: Simplify right side
    3,923.05x = 20,890,747.84
  5. Step 5: Solve for x
    x = 20,890,747.84/3,923.05
  6. Step 6: Final answer
    x = 5,325.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.