Home / 8,137.19-12,205.79-2,293.04

Finding the Fourth Proportional to 8,137.19, 12,205.79 and 2,293.04

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Solution

The fourth proportional to 8,137.19, 12,205.79 and 2,293.04 is: 3,439.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,137.19 : 12,205.79 = 2,293.04 : x
  2. Step 2: Convert to fraction form
    8,137.19/12,205.79 = 2,293.04/x
  3. Step 3: Cross multiply
    8,137.19x = 12,205.79 × 2,293.04
  4. Step 4: Simplify right side
    8,137.19x = 27,988,364.70
  5. Step 5: Solve for x
    x = 27,988,364.70/8,137.19
  6. Step 6: Final answer
    x = 3,439.56

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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.