Home / 4,112.20-6,166.41-1,189.81

Finding the Fourth Proportional to 4,112.20, 6,166.41 and 1,189.81

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Solution

The fourth proportional to 4,112.20, 6,166.41 and 1,189.81 is: 1,784.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.20 : 6,166.41 = 1,189.81 : x
  2. Step 2: Convert to fraction form
    4,112.20/6,166.41 = 1,189.81/x
  3. Step 3: Cross multiply
    4,112.20x = 6,166.41 × 1,189.81
  4. Step 4: Simplify right side
    4,112.20x = 7,336,856.28
  5. Step 5: Solve for x
    x = 7,336,856.28/4,112.20
  6. Step 6: Final answer
    x = 1,784.17

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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.