Home / 4,198.48-6,297.60-1,276.80

Finding the Fourth Proportional to 4,198.48, 6,297.60 and 1,276.80

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Solution

The fourth proportional to 4,198.48, 6,297.60 and 1,276.80 is: 1,915.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,198.48 : 6,297.60 = 1,276.80 : x
  2. Step 2: Convert to fraction form
    4,198.48/6,297.60 = 1,276.80/x
  3. Step 3: Cross multiply
    4,198.48x = 6,297.60 × 1,276.80
  4. Step 4: Simplify right side
    4,198.48x = 8,040,775.68
  5. Step 5: Solve for x
    x = 8,040,775.68/4,198.48
  6. Step 6: Final answer
    x = 1,915.16

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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.