Home / 4,112.48-6,168.54-1,190.72

Finding the Fourth Proportional to 4,112.48, 6,168.54 and 1,190.72

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Solution

The fourth proportional to 4,112.48, 6,168.54 and 1,190.72 is: 1,786.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.48 : 6,168.54 = 1,190.72 : x
  2. Step 2: Convert to fraction form
    4,112.48/6,168.54 = 1,190.72/x
  3. Step 3: Cross multiply
    4,112.48x = 6,168.54 × 1,190.72
  4. Step 4: Simplify right side
    4,112.48x = 7,345,003.95
  5. Step 5: Solve for x
    x = 7,345,003.95/4,112.48
  6. Step 6: Final answer
    x = 1,786.03

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1.5x scale

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.