Home / 5,081.80-7,622.22-2,615.32

Finding the Fourth Proportional to 5,081.80, 7,622.22 and 2,615.32

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Solution

The fourth proportional to 5,081.80, 7,622.22 and 2,615.32 is: 3,922.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.80 : 7,622.22 = 2,615.32 : x
  2. Step 2: Convert to fraction form
    5,081.80/7,622.22 = 2,615.32/x
  3. Step 3: Cross multiply
    5,081.80x = 7,622.22 × 2,615.32
  4. Step 4: Simplify right side
    5,081.80x = 19,934,544.41
  5. Step 5: Solve for x
    x = 19,934,544.41/5,081.80
  6. Step 6: Final answer
    x = 3,922.73

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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.