Home / 4,221.30-6,333.55-1,755.92

Finding the Fourth Proportional to 4,221.30, 6,333.55 and 1,755.92

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Solution

The fourth proportional to 4,221.30, 6,333.55 and 1,755.92 is: 2,634.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.30 : 6,333.55 = 1,755.92 : x
  2. Step 2: Convert to fraction form
    4,221.30/6,333.55 = 1,755.92/x
  3. Step 3: Cross multiply
    4,221.30x = 6,333.55 × 1,755.92
  4. Step 4: Simplify right side
    4,221.30x = 11,121,192.81
  5. Step 5: Solve for x
    x = 11,121,192.81/4,221.30
  6. Step 6: Final answer
    x = 2,634.54

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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.