Home / 4,084.20-6,119.10-3,349.80

Finding the Fourth Proportional to 4,084.20, 6,119.10 and 3,349.80

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Solution

The fourth proportional to 4,084.20, 6,119.10 and 3,349.80 is: 5,018.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,084.20 : 6,119.10 = 3,349.80 : x
  2. Step 2: Convert to fraction form
    4,084.20/6,119.10 = 3,349.80/x
  3. Step 3: Cross multiply
    4,084.20x = 6,119.10 × 3,349.80
  4. Step 4: Simplify right side
    4,084.20x = 20,497,761.18
  5. Step 5: Solve for x
    x = 20,497,761.18/4,084.20
  6. Step 6: Final answer
    x = 5,018.79

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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.