Home / 4,119.56-6,179.22-1,811

Finding the Fourth Proportional to 4,119.56, 6,179.22 and 1,811

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Solution

The fourth proportional to 4,119.56, 6,179.22 and 1,811 is: 2,716.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.56 : 6,179.22 = 1,811 : x
  2. Step 2: Convert to fraction form
    4,119.56/6,179.22 = 1,811/x
  3. Step 3: Cross multiply
    4,119.56x = 6,179.22 × 1,811
  4. Step 4: Simplify right side
    4,119.56x = 11,190,567.42
  5. Step 5: Solve for x
    x = 11,190,567.42/4,119.56
  6. Step 6: Final answer
    x = 2,716.45

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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.