Home / 5,081.96-7,625.37-2,862.56

Finding the Fourth Proportional to 5,081.96, 7,625.37 and 2,862.56

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Solution

The fourth proportional to 5,081.96, 7,625.37 and 2,862.56 is: 4,295.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.96 : 7,625.37 = 2,862.56 : x
  2. Step 2: Convert to fraction form
    5,081.96/7,625.37 = 2,862.56/x
  3. Step 3: Cross multiply
    5,081.96x = 7,625.37 × 2,862.56
  4. Step 4: Simplify right side
    5,081.96x = 21,828,079.15
  5. Step 5: Solve for x
    x = 21,828,079.15/5,081.96
  6. Step 6: Final answer
    x = 4,295.21

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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.