Home / 4,257.83-6,383.79-1,790.65

Finding the Fourth Proportional to 4,257.83, 6,383.79 and 1,790.65

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Solution

The fourth proportional to 4,257.83, 6,383.79 and 1,790.65 is: 2,684.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.83 : 6,383.79 = 1,790.65 : x
  2. Step 2: Convert to fraction form
    4,257.83/6,383.79 = 1,790.65/x
  3. Step 3: Cross multiply
    4,257.83x = 6,383.79 × 1,790.65
  4. Step 4: Simplify right side
    4,257.83x = 11,431,101.64
  5. Step 5: Solve for x
    x = 11,431,101.64/4,257.83
  6. Step 6: Final answer
    x = 2,684.72

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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.