Home / 4,189.26-5,777.94-3,069.78

Finding the Fourth Proportional to 4,189.26, 5,777.94 and 3,069.78

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Solution

The fourth proportional to 4,189.26, 5,777.94 and 3,069.78 is: 4,233.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.26 : 5,777.94 = 3,069.78 : x
  2. Step 2: Convert to fraction form
    4,189.26/5,777.94 = 3,069.78/x
  3. Step 3: Cross multiply
    4,189.26x = 5,777.94 × 3,069.78
  4. Step 4: Simplify right side
    4,189.26x = 17,737,004.65
  5. Step 5: Solve for x
    x = 17,737,004.65/4,189.26
  6. Step 6: Final answer
    x = 4,233.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.