Home / 4,198.35-6,298.43-1,276.89

Finding the Fourth Proportional to 4,198.35, 6,298.43 and 1,276.89

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Solution

The fourth proportional to 4,198.35, 6,298.43 and 1,276.89 is: 1,915.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,198.35 : 6,298.43 = 1,276.89 : x
  2. Step 2: Convert to fraction form
    4,198.35/6,298.43 = 1,276.89/x
  3. Step 3: Cross multiply
    4,198.35x = 6,298.43 × 1,276.89
  4. Step 4: Simplify right side
    4,198.35x = 8,042,402.28
  5. Step 5: Solve for x
    x = 8,042,402.28/4,198.35
  6. Step 6: Final answer
    x = 1,915.61

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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.