Home / 5,781.14-8,668.06-3,185.90

Finding the Fourth Proportional to 5,781.14, 8,668.06 and 3,185.90

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Solution

The fourth proportional to 5,781.14, 8,668.06 and 3,185.90 is: 4,776.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781.14 : 8,668.06 = 3,185.90 : x
  2. Step 2: Convert to fraction form
    5,781.14/8,668.06 = 3,185.90/x
  3. Step 3: Cross multiply
    5,781.14x = 8,668.06 × 3,185.90
  4. Step 4: Simplify right side
    5,781.14x = 27,615,521.05
  5. Step 5: Solve for x
    x = 27,615,521.05/5,781.14
  6. Step 6: Final answer
    x = 4,776.83

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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.