Home / 4,119.80-6,179.70-4,076.60

Finding the Fourth Proportional to 4,119.80, 6,179.70 and 4,076.60

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Solution

The fourth proportional to 4,119.80, 6,179.70 and 4,076.60 is: 6,114.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.80 : 6,179.70 = 4,076.60 : x
  2. Step 2: Convert to fraction form
    4,119.80/6,179.70 = 4,076.60/x
  3. Step 3: Cross multiply
    4,119.80x = 6,179.70 × 4,076.60
  4. Step 4: Simplify right side
    4,119.80x = 25,192,165.02
  5. Step 5: Solve for x
    x = 25,192,165.02/4,119.80
  6. Step 6: Final answer
    x = 6,114.90

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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.