Home / 6,385.81-9,579.92-2,002.09

Finding the Fourth Proportional to 6,385.81, 9,579.92 and 2,002.09

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Solution

The fourth proportional to 6,385.81, 9,579.92 and 2,002.09 is: 3,003.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385.81 : 9,579.92 = 2,002.09 : x
  2. Step 2: Convert to fraction form
    6,385.81/9,579.92 = 2,002.09/x
  3. Step 3: Cross multiply
    6,385.81x = 9,579.92 × 2,002.09
  4. Step 4: Simplify right side
    6,385.81x = 19,179,819.14
  5. Step 5: Solve for x
    x = 19,179,819.14/6,385.81
  6. Step 6: Final answer
    x = 3,003.51

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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.