Home / 4,183.81-6,272.64-1,994.08

Finding the Fourth Proportional to 4,183.81, 6,272.64 and 1,994.08

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Solution

The fourth proportional to 4,183.81, 6,272.64 and 1,994.08 is: 2,989.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,183.81 : 6,272.64 = 1,994.08 : x
  2. Step 2: Convert to fraction form
    4,183.81/6,272.64 = 1,994.08/x
  3. Step 3: Cross multiply
    4,183.81x = 6,272.64 × 1,994.08
  4. Step 4: Simplify right side
    4,183.81x = 12,508,107.13
  5. Step 5: Solve for x
    x = 12,508,107.13/4,183.81
  6. Step 6: Final answer
    x = 2,989.65

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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.