Home / 4,251.23-6,378.09-1,784.75

Finding the Fourth Proportional to 4,251.23, 6,378.09 and 1,784.75

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Solution

The fourth proportional to 4,251.23, 6,378.09 and 1,784.75 is: 2,677.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,251.23 : 6,378.09 = 1,784.75 : x
  2. Step 2: Convert to fraction form
    4,251.23/6,378.09 = 1,784.75/x
  3. Step 3: Cross multiply
    4,251.23x = 6,378.09 × 1,784.75
  4. Step 4: Simplify right side
    4,251.23x = 11,383,287.20
  5. Step 5: Solve for x
    x = 11,383,287.20/4,251.23
  6. Step 6: Final answer
    x = 2,677.65

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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.