Home / 4,105.35-6,145.61-2,645.55

Finding the Fourth Proportional to 4,105.35, 6,145.61 and 2,645.55

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Solution

The fourth proportional to 4,105.35, 6,145.61 and 2,645.55 is: 3,960.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,105.35 : 6,145.61 = 2,645.55 : x
  2. Step 2: Convert to fraction form
    4,105.35/6,145.61 = 2,645.55/x
  3. Step 3: Cross multiply
    4,105.35x = 6,145.61 × 2,645.55
  4. Step 4: Simplify right side
    4,105.35x = 16,258,505.31
  5. Step 5: Solve for x
    x = 16,258,505.31/4,105.35
  6. Step 6: Final answer
    x = 3,960.32

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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.