Home / 5,161.87-7,737.51-2,040.61

Finding the Fourth Proportional to 5,161.87, 7,737.51 and 2,040.61

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Solution

The fourth proportional to 5,161.87, 7,737.51 and 2,040.61 is: 3,058.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161.87 : 7,737.51 = 2,040.61 : x
  2. Step 2: Convert to fraction form
    5,161.87/7,737.51 = 2,040.61/x
  3. Step 3: Cross multiply
    5,161.87x = 7,737.51 × 2,040.61
  4. Step 4: Simplify right side
    5,161.87x = 15,789,240.28
  5. Step 5: Solve for x
    x = 15,789,240.28/5,161.87
  6. Step 6: Final answer
    x = 3,058.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.