Home / 4,121.64-6,183.36-1,929.18

Finding the Fourth Proportional to 4,121.64, 6,183.36 and 1,929.18

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Solution

The fourth proportional to 4,121.64, 6,183.36 and 1,929.18 is: 2,894.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.64 : 6,183.36 = 1,929.18 : x
  2. Step 2: Convert to fraction form
    4,121.64/6,183.36 = 1,929.18/x
  3. Step 3: Cross multiply
    4,121.64x = 6,183.36 × 1,929.18
  4. Step 4: Simplify right side
    4,121.64x = 11,928,814.44
  5. Step 5: Solve for x
    x = 11,928,814.44/4,121.64
  6. Step 6: Final answer
    x = 2,894.19

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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.