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Finding the Fourth Proportional to 8,914.08, 13,361.09 and 3,363.66

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Solution

The fourth proportional to 8,914.08, 13,361.09 and 3,363.66 is: 5,041.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,914.08 : 13,361.09 = 3,363.66 : x
  2. Step 2: Convert to fraction form
    8,914.08/13,361.09 = 3,363.66/x
  3. Step 3: Cross multiply
    8,914.08x = 13,361.09 × 3,363.66
  4. Step 4: Simplify right side
    8,914.08x = 44,942,097.18
  5. Step 5: Solve for x
    x = 44,942,097.18/8,914.08
  6. Step 6: Final answer
    x = 5,041.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.