Home / 4,201.83-6,303.50-2,121.90

Finding the Fourth Proportional to 4,201.83, 6,303.50 and 2,121.90

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Solution

The fourth proportional to 4,201.83, 6,303.50 and 2,121.90 is: 3,183.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,201.83 : 6,303.50 = 2,121.90 : x
  2. Step 2: Convert to fraction form
    4,201.83/6,303.50 = 2,121.90/x
  3. Step 3: Cross multiply
    4,201.83x = 6,303.50 × 2,121.90
  4. Step 4: Simplify right side
    4,201.83x = 13,375,396.65
  5. Step 5: Solve for x
    x = 13,375,396.65/4,201.83
  6. Step 6: Final answer
    x = 3,183.23

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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.