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Finding the Fourth Proportional to 6,122.62, 8,449.20 and 3,328.12

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Solution

The fourth proportional to 6,122.62, 8,449.20 and 3,328.12 is: 4,592.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.62 : 8,449.20 = 3,328.12 : x
  2. Step 2: Convert to fraction form
    6,122.62/8,449.20 = 3,328.12/x
  3. Step 3: Cross multiply
    6,122.62x = 8,449.20 × 3,328.12
  4. Step 4: Simplify right side
    6,122.62x = 28,119,951.50
  5. Step 5: Solve for x
    x = 28,119,951.50/6,122.62
  6. Step 6: Final answer
    x = 4,592.80

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.