Home / 5,169.94-7,134.26-3,045.38

Finding the Fourth Proportional to 5,169.94, 7,134.26 and 3,045.38

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Solution

The fourth proportional to 5,169.94, 7,134.26 and 3,045.38 is: 4,202.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.94 : 7,134.26 = 3,045.38 : x
  2. Step 2: Convert to fraction form
    5,169.94/7,134.26 = 3,045.38/x
  3. Step 3: Cross multiply
    5,169.94x = 7,134.26 × 3,045.38
  4. Step 4: Simplify right side
    5,169.94x = 21,726,532.72
  5. Step 5: Solve for x
    x = 21,726,532.72/5,169.94
  6. Step 6: Final answer
    x = 4,202.47

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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.