Home / 4,119.68-6,174.72-3,791.36

Finding the Fourth Proportional to 4,119.68, 6,174.72 and 3,791.36

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Solution

The fourth proportional to 4,119.68, 6,174.72 and 3,791.36 is: 5,682.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.68 : 6,174.72 = 3,791.36 : x
  2. Step 2: Convert to fraction form
    4,119.68/6,174.72 = 3,791.36/x
  3. Step 3: Cross multiply
    4,119.68x = 6,174.72 × 3,791.36
  4. Step 4: Simplify right side
    4,119.68x = 23,410,586.42
  5. Step 5: Solve for x
    x = 23,410,586.42/4,119.68
  6. Step 6: Final answer
    x = 5,682.62

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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.