Home / 10,640.94-15,961.41-2,849.55

Finding the Fourth Proportional to 10,640.94, 15,961.41 and 2,849.55

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Solution

The fourth proportional to 10,640.94, 15,961.41 and 2,849.55 is: 4,274.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,640.94 : 15,961.41 = 2,849.55 : x
  2. Step 2: Convert to fraction form
    10,640.94/15,961.41 = 2,849.55/x
  3. Step 3: Cross multiply
    10,640.94x = 15,961.41 × 2,849.55
  4. Step 4: Simplify right side
    10,640.94x = 45,482,835.87
  5. Step 5: Solve for x
    x = 45,482,835.87/10,640.94
  6. Step 6: Final answer
    x = 4,274.33

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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.