Home / 4,198.50-6,297.75-1,120.50

Finding the Fourth Proportional to 4,198.50, 6,297.75 and 1,120.50

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Solution

The fourth proportional to 4,198.50, 6,297.75 and 1,120.50 is: 1,680.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,198.50 : 6,297.75 = 1,120.50 : x
  2. Step 2: Convert to fraction form
    4,198.50/6,297.75 = 1,120.50/x
  3. Step 3: Cross multiply
    4,198.50x = 6,297.75 × 1,120.50
  4. Step 4: Simplify right side
    4,198.50x = 7,056,628.88
  5. Step 5: Solve for x
    x = 7,056,628.88/4,198.50
  6. Step 6: Final answer
    x = 1,680.75

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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.