Home / 6,383.85-9,578.67-2,874.75

Finding the Fourth Proportional to 6,383.85, 9,578.67 and 2,874.75

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Solution

The fourth proportional to 6,383.85, 9,578.67 and 2,874.75 is: 4,313.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,383.85 : 9,578.67 = 2,874.75 : x
  2. Step 2: Convert to fraction form
    6,383.85/9,578.67 = 2,874.75/x
  3. Step 3: Cross multiply
    6,383.85x = 9,578.67 × 2,874.75
  4. Step 4: Simplify right side
    6,383.85x = 27,536,281.58
  5. Step 5: Solve for x
    x = 27,536,281.58/6,383.85
  6. Step 6: Final answer
    x = 4,313.43

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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.