Home / 4,112.18-6,168.30-1,190.50

Finding the Fourth Proportional to 4,112.18, 6,168.30 and 1,190.50

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Solution

The fourth proportional to 4,112.18, 6,168.30 and 1,190.50 is: 1,785.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.18 : 6,168.30 = 1,190.50 : x
  2. Step 2: Convert to fraction form
    4,112.18/6,168.30 = 1,190.50/x
  3. Step 3: Cross multiply
    4,112.18x = 6,168.30 × 1,190.50
  4. Step 4: Simplify right side
    4,112.18x = 7,343,361.15
  5. Step 5: Solve for x
    x = 7,343,361.15/4,112.18
  6. Step 6: Final answer
    x = 1,785.76

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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.