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Finding the Fourth Proportional to 8,361.59, 12,542.26 and 2,036.49

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Solution

The fourth proportional to 8,361.59, 12,542.26 and 2,036.49 is: 3,054.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,361.59 : 12,542.26 = 2,036.49 : x
  2. Step 2: Convert to fraction form
    8,361.59/12,542.26 = 2,036.49/x
  3. Step 3: Cross multiply
    8,361.59x = 12,542.26 × 2,036.49
  4. Step 4: Simplify right side
    8,361.59x = 25,542,187.07
  5. Step 5: Solve for x
    x = 25,542,187.07/8,361.59
  6. Step 6: Final answer
    x = 3,054.70

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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.