Home / 4,121.71-6,183.62-1,200.01

Finding the Fourth Proportional to 4,121.71, 6,183.62 and 1,200.01

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Solution

The fourth proportional to 4,121.71, 6,183.62 and 1,200.01 is: 1,800.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.71 : 6,183.62 = 1,200.01 : x
  2. Step 2: Convert to fraction form
    4,121.71/6,183.62 = 1,200.01/x
  3. Step 3: Cross multiply
    4,121.71x = 6,183.62 × 1,200.01
  4. Step 4: Simplify right side
    4,121.71x = 7,420,405.84
  5. Step 5: Solve for x
    x = 7,420,405.84/4,121.71
  6. Step 6: Final answer
    x = 1,800.32

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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.