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Finding the Fourth Proportional to 5,694.80, 8,540.13 and 2,408.15

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Solution

The fourth proportional to 5,694.80, 8,540.13 and 2,408.15 is: 3,611.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,694.80 : 8,540.13 = 2,408.15 : x
  2. Step 2: Convert to fraction form
    5,694.80/8,540.13 = 2,408.15/x
  3. Step 3: Cross multiply
    5,694.80x = 8,540.13 × 2,408.15
  4. Step 4: Simplify right side
    5,694.80x = 20,565,871.36
  5. Step 5: Solve for x
    x = 20,565,871.36/5,694.80
  6. Step 6: Final answer
    x = 3,611.35

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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.