Home / 4,917.29-6,783.92-3,239.57

Finding the Fourth Proportional to 4,917.29, 6,783.92 and 3,239.57

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Solution

The fourth proportional to 4,917.29, 6,783.92 and 3,239.57 is: 4,469.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.29 : 6,783.92 = 3,239.57 : x
  2. Step 2: Convert to fraction form
    4,917.29/6,783.92 = 3,239.57/x
  3. Step 3: Cross multiply
    4,917.29x = 6,783.92 × 3,239.57
  4. Step 4: Simplify right side
    4,917.29x = 21,977,008.77
  5. Step 5: Solve for x
    x = 21,977,008.77/4,917.29
  6. Step 6: Final answer
    x = 4,469.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.