Home / 4,198.47-6,297.85-1,276.77

Finding the Fourth Proportional to 4,198.47, 6,297.85 and 1,276.77

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Solution

The fourth proportional to 4,198.47, 6,297.85 and 1,276.77 is: 1,915.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,198.47 : 6,297.85 = 1,276.77 : x
  2. Step 2: Convert to fraction form
    4,198.47/6,297.85 = 1,276.77/x
  3. Step 3: Cross multiply
    4,198.47x = 6,297.85 × 1,276.77
  4. Step 4: Simplify right side
    4,198.47x = 8,040,868.07
  5. Step 5: Solve for x
    x = 8,040,868.07/4,198.47
  6. Step 6: Final answer
    x = 1,915.19

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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.