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Finding the Fourth Proportional to 5,778.81, 8,667.26 and 2,080.35

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Solution

The fourth proportional to 5,778.81, 8,667.26 and 2,080.35 is: 3,120.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,778.81 : 8,667.26 = 2,080.35 : x
  2. Step 2: Convert to fraction form
    5,778.81/8,667.26 = 2,080.35/x
  3. Step 3: Cross multiply
    5,778.81x = 8,667.26 × 2,080.35
  4. Step 4: Simplify right side
    5,778.81x = 18,030,934.34
  5. Step 5: Solve for x
    x = 18,030,934.34/5,778.81
  6. Step 6: Final answer
    x = 3,120.18

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