Home / 4,286.93-6,431.06-1,821.75

Finding the Fourth Proportional to 4,286.93, 6,431.06 and 1,821.75

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Solution

The fourth proportional to 4,286.93, 6,431.06 and 1,821.75 is: 2,732.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.93 : 6,431.06 = 1,821.75 : x
  2. Step 2: Convert to fraction form
    4,286.93/6,431.06 = 1,821.75/x
  3. Step 3: Cross multiply
    4,286.93x = 6,431.06 × 1,821.75
  4. Step 4: Simplify right side
    4,286.93x = 11,715,774.45
  5. Step 5: Solve for x
    x = 11,715,774.45/4,286.93
  6. Step 6: Final answer
    x = 2,732.91

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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.