Home / 4,109.80-6,171.30-3,806.60

Finding the Fourth Proportional to 4,109.80, 6,171.30 and 3,806.60

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Solution

The fourth proportional to 4,109.80, 6,171.30 and 3,806.60 is: 5,716.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.80 : 6,171.30 = 3,806.60 : x
  2. Step 2: Convert to fraction form
    4,109.80/6,171.30 = 3,806.60/x
  3. Step 3: Cross multiply
    4,109.80x = 6,171.30 × 3,806.60
  4. Step 4: Simplify right side
    4,109.80x = 23,491,670.58
  5. Step 5: Solve for x
    x = 23,491,670.58/4,109.80
  6. Step 6: Final answer
    x = 5,716.01

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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.