Home / 8,173.82-12,257.96-2,908.60

Finding the Fourth Proportional to 8,173.82, 12,257.96 and 2,908.60

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Solution

The fourth proportional to 8,173.82, 12,257.96 and 2,908.60 is: 4,361.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.82 : 12,257.96 = 2,908.60 : x
  2. Step 2: Convert to fraction form
    8,173.82/12,257.96 = 2,908.60/x
  3. Step 3: Cross multiply
    8,173.82x = 12,257.96 × 2,908.60
  4. Step 4: Simplify right side
    8,173.82x = 35,653,502.46
  5. Step 5: Solve for x
    x = 35,653,502.46/8,173.82
  6. Step 6: Final answer
    x = 4,361.91

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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.