Home / 4,229.12-6,342.34-1,763.30

Finding the Fourth Proportional to 4,229.12, 6,342.34 and 1,763.30

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Solution

The fourth proportional to 4,229.12, 6,342.34 and 1,763.30 is: 2,644.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,229.12 : 6,342.34 = 1,763.30 : x
  2. Step 2: Convert to fraction form
    4,229.12/6,342.34 = 1,763.30/x
  3. Step 3: Cross multiply
    4,229.12x = 6,342.34 × 1,763.30
  4. Step 4: Simplify right side
    4,229.12x = 11,183,448.12
  5. Step 5: Solve for x
    x = 11,183,448.12/4,229.12
  6. Step 6: Final answer
    x = 2,644.39

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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.