Home / 4,678.30-7,027.20-3,949.30

Finding the Fourth Proportional to 4,678.30, 7,027.20 and 3,949.30

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Solution

The fourth proportional to 4,678.30, 7,027.20 and 3,949.30 is: 5,932.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.30 : 7,027.20 = 3,949.30 : x
  2. Step 2: Convert to fraction form
    4,678.30/7,027.20 = 3,949.30/x
  3. Step 3: Cross multiply
    4,678.30x = 7,027.20 × 3,949.30
  4. Step 4: Simplify right side
    4,678.30x = 27,752,520.96
  5. Step 5: Solve for x
    x = 27,752,520.96/4,678.30
  6. Step 6: Final answer
    x = 5,932.18

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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.