Home / 4,272.29-6,408.86-1,772.97

Finding the Fourth Proportional to 4,272.29, 6,408.86 and 1,772.97

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Solution

The fourth proportional to 4,272.29, 6,408.86 and 1,772.97 is: 2,659.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.29 : 6,408.86 = 1,772.97 : x
  2. Step 2: Convert to fraction form
    4,272.29/6,408.86 = 1,772.97/x
  3. Step 3: Cross multiply
    4,272.29x = 6,408.86 × 1,772.97
  4. Step 4: Simplify right side
    4,272.29x = 11,362,683.62
  5. Step 5: Solve for x
    x = 11,362,683.62/4,272.29
  6. Step 6: Final answer
    x = 2,659.62

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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.