Home / 6,179.20-9,245.40-3,798.80

Finding the Fourth Proportional to 6,179.20, 9,245.40 and 3,798.80

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Solution

The fourth proportional to 6,179.20, 9,245.40 and 3,798.80 is: 5,683.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,179.20 : 9,245.40 = 3,798.80 : x
  2. Step 2: Convert to fraction form
    6,179.20/9,245.40 = 3,798.80/x
  3. Step 3: Cross multiply
    6,179.20x = 9,245.40 × 3,798.80
  4. Step 4: Simplify right side
    6,179.20x = 35,121,425.52
  5. Step 5: Solve for x
    x = 35,121,425.52/6,179.20
  6. Step 6: Final answer
    x = 5,683.81

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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.