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Finding the Fourth Proportional to 5,540.81, 7,648.02 and 3,184.52

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Solution

The fourth proportional to 5,540.81, 7,648.02 and 3,184.52 is: 4,395.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.81 : 7,648.02 = 3,184.52 : x
  2. Step 2: Convert to fraction form
    5,540.81/7,648.02 = 3,184.52/x
  3. Step 3: Cross multiply
    5,540.81x = 7,648.02 × 3,184.52
  4. Step 4: Simplify right side
    5,540.81x = 24,355,234.41
  5. Step 5: Solve for x
    x = 24,355,234.41/5,540.81
  6. Step 6: Final answer
    x = 4,395.61

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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.