Home / 4,512.72-6,781.86-2,664.72

Finding the Fourth Proportional to 4,512.72, 6,781.86 and 2,664.72

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Solution

The fourth proportional to 4,512.72, 6,781.86 and 2,664.72 is: 4,004.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,512.72 : 6,781.86 = 2,664.72 : x
  2. Step 2: Convert to fraction form
    4,512.72/6,781.86 = 2,664.72/x
  3. Step 3: Cross multiply
    4,512.72x = 6,781.86 × 2,664.72
  4. Step 4: Simplify right side
    4,512.72x = 18,071,757.98
  5. Step 5: Solve for x
    x = 18,071,757.98/4,512.72
  6. Step 6: Final answer
    x = 4,004.63

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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.