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Finding the Fourth Proportional to 8,241.74, 12,361.37 and 2,695.66

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Solution

The fourth proportional to 8,241.74, 12,361.37 and 2,695.66 is: 4,043.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,241.74 : 12,361.37 = 2,695.66 : x
  2. Step 2: Convert to fraction form
    8,241.74/12,361.37 = 2,695.66/x
  3. Step 3: Cross multiply
    8,241.74x = 12,361.37 × 2,695.66
  4. Step 4: Simplify right side
    8,241.74x = 33,322,050.65
  5. Step 5: Solve for x
    x = 33,322,050.65/8,241.74
  6. Step 6: Final answer
    x = 4,043.08

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1.5x scale

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.