Home / 5,105.73-7,039.41-3,424.48

Finding the Fourth Proportional to 5,105.73, 7,039.41 and 3,424.48

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Solution

The fourth proportional to 5,105.73, 7,039.41 and 3,424.48 is: 4,721.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105.73 : 7,039.41 = 3,424.48 : x
  2. Step 2: Convert to fraction form
    5,105.73/7,039.41 = 3,424.48/x
  3. Step 3: Cross multiply
    5,105.73x = 7,039.41 × 3,424.48
  4. Step 4: Simplify right side
    5,105.73x = 24,106,288.32
  5. Step 5: Solve for x
    x = 24,106,288.32/5,105.73
  6. Step 6: Final answer
    x = 4,721.42

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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.