Home / 6,119.06-8,441.30-3,993.60

Finding the Fourth Proportional to 6,119.06, 8,441.30 and 3,993.60

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Solution

The fourth proportional to 6,119.06, 8,441.30 and 3,993.60 is: 5,509.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119.06 : 8,441.30 = 3,993.60 : x
  2. Step 2: Convert to fraction form
    6,119.06/8,441.30 = 3,993.60/x
  3. Step 3: Cross multiply
    6,119.06x = 8,441.30 × 3,993.60
  4. Step 4: Simplify right side
    6,119.06x = 33,711,194.85
  5. Step 5: Solve for x
    x = 33,711,194.85/6,119.06
  6. Step 6: Final answer
    x = 5,509.21

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.