Home / 6,359.21-9,540.30-1,976.43

Finding the Fourth Proportional to 6,359.21, 9,540.30 and 1,976.43

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Solution

The fourth proportional to 6,359.21, 9,540.30 and 1,976.43 is: 2,965.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,359.21 : 9,540.30 = 1,976.43 : x
  2. Step 2: Convert to fraction form
    6,359.21/9,540.30 = 1,976.43/x
  3. Step 3: Cross multiply
    6,359.21x = 9,540.30 × 1,976.43
  4. Step 4: Simplify right side
    6,359.21x = 18,855,735.13
  5. Step 5: Solve for x
    x = 18,855,735.13/6,359.21
  6. Step 6: Final answer
    x = 2,965.11

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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.