Home / 4,091.87-6,137.94-1,170.20

Finding the Fourth Proportional to 4,091.87, 6,137.94 and 1,170.20

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Solution

The fourth proportional to 4,091.87, 6,137.94 and 1,170.20 is: 1,755.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,091.87 : 6,137.94 = 1,170.20 : x
  2. Step 2: Convert to fraction form
    4,091.87/6,137.94 = 1,170.20/x
  3. Step 3: Cross multiply
    4,091.87x = 6,137.94 × 1,170.20
  4. Step 4: Simplify right side
    4,091.87x = 7,182,617.39
  5. Step 5: Solve for x
    x = 7,182,617.39/4,091.87
  6. Step 6: Final answer
    x = 1,755.34

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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.