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Finding the Fourth Proportional to 6,361.52, 8,778.97 and 3,528.95

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Solution

The fourth proportional to 6,361.52, 8,778.97 and 3,528.95 is: 4,869.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,361.52 : 8,778.97 = 3,528.95 : x
  2. Step 2: Convert to fraction form
    6,361.52/8,778.97 = 3,528.95/x
  3. Step 3: Cross multiply
    6,361.52x = 8,778.97 × 3,528.95
  4. Step 4: Simplify right side
    6,361.52x = 30,980,546.18
  5. Step 5: Solve for x
    x = 30,980,546.18/6,361.52
  6. Step 6: Final answer
    x = 4,869.99

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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.