Home / 4,247.97-6,363.48-3,319.20

Finding the Fourth Proportional to 4,247.97, 6,363.48 and 3,319.20

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Solution

The fourth proportional to 4,247.97, 6,363.48 and 3,319.20 is: 4,972.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.97 : 6,363.48 = 3,319.20 : x
  2. Step 2: Convert to fraction form
    4,247.97/6,363.48 = 3,319.20/x
  3. Step 3: Cross multiply
    4,247.97x = 6,363.48 × 3,319.20
  4. Step 4: Simplify right side
    4,247.97x = 21,121,662.82
  5. Step 5: Solve for x
    x = 21,121,662.82/4,247.97
  6. Step 6: Final answer
    x = 4,972.18

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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.