Home / 4,121.91-6,182.87-1,200.44

Finding the Fourth Proportional to 4,121.91, 6,182.87 and 1,200.44

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Solution

The fourth proportional to 4,121.91, 6,182.87 and 1,200.44 is: 1,800.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.91 : 6,182.87 = 1,200.44 : x
  2. Step 2: Convert to fraction form
    4,121.91/6,182.87 = 1,200.44/x
  3. Step 3: Cross multiply
    4,121.91x = 6,182.87 × 1,200.44
  4. Step 4: Simplify right side
    4,121.91x = 7,422,173.92
  5. Step 5: Solve for x
    x = 7,422,173.92/4,121.91
  6. Step 6: Final answer
    x = 1,800.66

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.