Home / 5,107.26-7,049.24-3,119.51

Finding the Fourth Proportional to 5,107.26, 7,049.24 and 3,119.51

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Solution

The fourth proportional to 5,107.26, 7,049.24 and 3,119.51 is: 4,305.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107.26 : 7,049.24 = 3,119.51 : x
  2. Step 2: Convert to fraction form
    5,107.26/7,049.24 = 3,119.51/x
  3. Step 3: Cross multiply
    5,107.26x = 7,049.24 × 3,119.51
  4. Step 4: Simplify right side
    5,107.26x = 21,990,123.83
  5. Step 5: Solve for x
    x = 21,990,123.83/5,107.26
  6. Step 6: Final answer
    x = 4,305.66

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