Home / 6,300.30-9,450.91-2,138.62

Finding the Fourth Proportional to 6,300.30, 9,450.91 and 2,138.62

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Solution

The fourth proportional to 6,300.30, 9,450.91 and 2,138.62 is: 3,208.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,300.30 : 9,450.91 = 2,138.62 : x
  2. Step 2: Convert to fraction form
    6,300.30/9,450.91 = 2,138.62/x
  3. Step 3: Cross multiply
    6,300.30x = 9,450.91 × 2,138.62
  4. Step 4: Simplify right side
    6,300.30x = 20,211,905.14
  5. Step 5: Solve for x
    x = 20,211,905.14/6,300.30
  6. Step 6: Final answer
    x = 3,208.09

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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.