Home / 4,079.91-6,119.87-1,771.41

Finding the Fourth Proportional to 4,079.91, 6,119.87 and 1,771.41

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Solution

The fourth proportional to 4,079.91, 6,119.87 and 1,771.41 is: 2,657.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.91 : 6,119.87 = 1,771.41 : x
  2. Step 2: Convert to fraction form
    4,079.91/6,119.87 = 1,771.41/x
  3. Step 3: Cross multiply
    4,079.91x = 6,119.87 × 1,771.41
  4. Step 4: Simplify right side
    4,079.91x = 10,840,790.06
  5. Step 5: Solve for x
    x = 10,840,790.06/4,079.91
  6. Step 6: Final answer
    x = 2,657.12

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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.