Home / 4,206.33-6,309.41-1,086.30

Finding the Fourth Proportional to 4,206.33, 6,309.41 and 1,086.30

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Solution

The fourth proportional to 4,206.33, 6,309.41 and 1,086.30 is: 1,629.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,206.33 : 6,309.41 = 1,086.30 : x
  2. Step 2: Convert to fraction form
    4,206.33/6,309.41 = 1,086.30/x
  3. Step 3: Cross multiply
    4,206.33x = 6,309.41 × 1,086.30
  4. Step 4: Simplify right side
    4,206.33x = 6,853,906.65
  5. Step 5: Solve for x
    x = 6,853,906.65/4,206.33
  6. Step 6: Final answer
    x = 1,629.43

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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.