Home / 4,198.66-6,298.28-1,425.62

Finding the Fourth Proportional to 4,198.66, 6,298.28 and 1,425.62

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Solution

The fourth proportional to 4,198.66, 6,298.28 and 1,425.62 is: 2,138.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,198.66 : 6,298.28 = 1,425.62 : x
  2. Step 2: Convert to fraction form
    4,198.66/6,298.28 = 1,425.62/x
  3. Step 3: Cross multiply
    4,198.66x = 6,298.28 × 1,425.62
  4. Step 4: Simplify right side
    4,198.66x = 8,978,953.93
  5. Step 5: Solve for x
    x = 8,978,953.93/4,198.66
  6. Step 6: Final answer
    x = 2,138.53

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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.