Home / 4,198.90-6,297.22-1,276.42

Finding the Fourth Proportional to 4,198.90, 6,297.22 and 1,276.42

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Solution

The fourth proportional to 4,198.90, 6,297.22 and 1,276.42 is: 1,914.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,198.90 : 6,297.22 = 1,276.42 : x
  2. Step 2: Convert to fraction form
    4,198.90/6,297.22 = 1,276.42/x
  3. Step 3: Cross multiply
    4,198.90x = 6,297.22 × 1,276.42
  4. Step 4: Simplify right side
    4,198.90x = 8,037,897.55
  5. Step 5: Solve for x
    x = 8,037,897.55/4,198.90
  6. Step 6: Final answer
    x = 1,914.29

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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.