Home / 4,286.09-6,428.12-1,474.61

Finding the Fourth Proportional to 4,286.09, 6,428.12 and 1,474.61

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Solution

The fourth proportional to 4,286.09, 6,428.12 and 1,474.61 is: 2,211.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.09 : 6,428.12 = 1,474.61 : x
  2. Step 2: Convert to fraction form
    4,286.09/6,428.12 = 1,474.61/x
  3. Step 3: Cross multiply
    4,286.09x = 6,428.12 × 1,474.61
  4. Step 4: Simplify right side
    4,286.09x = 9,478,930.52
  5. Step 5: Solve for x
    x = 9,478,930.52/4,286.09
  6. Step 6: Final answer
    x = 2,211.56

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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.