Home / 8,135.94-12,202.22-2,292.60

Finding the Fourth Proportional to 8,135.94, 12,202.22 and 2,292.60

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Solution

The fourth proportional to 8,135.94, 12,202.22 and 2,292.60 is: 3,438.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,135.94 : 12,202.22 = 2,292.60 : x
  2. Step 2: Convert to fraction form
    8,135.94/12,202.22 = 2,292.60/x
  3. Step 3: Cross multiply
    8,135.94x = 12,202.22 × 2,292.60
  4. Step 4: Simplify right side
    8,135.94x = 27,974,809.57
  5. Step 5: Solve for x
    x = 27,974,809.57/8,135.94
  6. Step 6: Final answer
    x = 3,438.42

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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.