Home / 5,159.27-7,119.83-2,801.41

Finding the Fourth Proportional to 5,159.27, 7,119.83 and 2,801.41

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Solution

The fourth proportional to 5,159.27, 7,119.83 and 2,801.41 is: 3,865.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159.27 : 7,119.83 = 2,801.41 : x
  2. Step 2: Convert to fraction form
    5,159.27/7,119.83 = 2,801.41/x
  3. Step 3: Cross multiply
    5,159.27x = 7,119.83 × 2,801.41
  4. Step 4: Simplify right side
    5,159.27x = 19,945,562.96
  5. Step 5: Solve for x
    x = 19,945,562.96/5,159.27
  6. Step 6: Final answer
    x = 3,865.97

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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.