Home / 5,780.18-8,668.22-2,081.41

Finding the Fourth Proportional to 5,780.18, 8,668.22 and 2,081.41

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Solution

The fourth proportional to 5,780.18, 8,668.22 and 2,081.41 is: 3,121.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,780.18 : 8,668.22 = 2,081.41 : x
  2. Step 2: Convert to fraction form
    5,780.18/8,668.22 = 2,081.41/x
  3. Step 3: Cross multiply
    5,780.18x = 8,668.22 × 2,081.41
  4. Step 4: Simplify right side
    5,780.18x = 18,042,144.60
  5. Step 5: Solve for x
    x = 18,042,144.60/5,780.18
  6. Step 6: Final answer
    x = 3,121.38

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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.