Home / 4,112.60-6,167.44-1,190.12

Finding the Fourth Proportional to 4,112.60, 6,167.44 and 1,190.12

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Solution

The fourth proportional to 4,112.60, 6,167.44 and 1,190.12 is: 1,784.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.60 : 6,167.44 = 1,190.12 : x
  2. Step 2: Convert to fraction form
    4,112.60/6,167.44 = 1,190.12/x
  3. Step 3: Cross multiply
    4,112.60x = 6,167.44 × 1,190.12
  4. Step 4: Simplify right side
    4,112.60x = 7,339,993.69
  5. Step 5: Solve for x
    x = 7,339,993.69/4,112.60
  6. Step 6: Final answer
    x = 1,784.76

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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.