Home / 4,112.20-6,166.50-1,190.44

Finding the Fourth Proportional to 4,112.20, 6,166.50 and 1,190.44

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Solution

The fourth proportional to 4,112.20, 6,166.50 and 1,190.44 is: 1,785.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.20 : 6,166.50 = 1,190.44 : x
  2. Step 2: Convert to fraction form
    4,112.20/6,166.50 = 1,190.44/x
  3. Step 3: Cross multiply
    4,112.20x = 6,166.50 × 1,190.44
  4. Step 4: Simplify right side
    4,112.20x = 7,340,848.26
  5. Step 5: Solve for x
    x = 7,340,848.26/4,112.20
  6. Step 6: Final answer
    x = 1,785.14

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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.