Home / 4,190.10-6,286.61-2,628.25

Finding the Fourth Proportional to 4,190.10, 6,286.61 and 2,628.25

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Solution

The fourth proportional to 4,190.10, 6,286.61 and 2,628.25 is: 3,943.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.10 : 6,286.61 = 2,628.25 : x
  2. Step 2: Convert to fraction form
    4,190.10/6,286.61 = 2,628.25/x
  3. Step 3: Cross multiply
    4,190.10x = 6,286.61 × 2,628.25
  4. Step 4: Simplify right side
    4,190.10x = 16,522,782.73
  5. Step 5: Solve for x
    x = 16,522,782.73/4,190.10
  6. Step 6: Final answer
    x = 3,943.29

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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.