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Finding the Fourth Proportional to 8,368.98, 12,553.49 and 3,435.15

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Solution

The fourth proportional to 8,368.98, 12,553.49 and 3,435.15 is: 5,152.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,368.98 : 12,553.49 = 3,435.15 : x
  2. Step 2: Convert to fraction form
    8,368.98/12,553.49 = 3,435.15/x
  3. Step 3: Cross multiply
    8,368.98x = 12,553.49 × 3,435.15
  4. Step 4: Simplify right side
    8,368.98x = 43,123,121.17
  5. Step 5: Solve for x
    x = 43,123,121.17/8,368.98
  6. Step 6: Final answer
    x = 5,152.73

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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.