Home / 4,917.22-6,792.41-3,929.43

Finding the Fourth Proportional to 4,917.22, 6,792.41 and 3,929.43

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Solution

The fourth proportional to 4,917.22, 6,792.41 and 3,929.43 is: 5,427.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.22 : 6,792.41 = 3,929.43 : x
  2. Step 2: Convert to fraction form
    4,917.22/6,792.41 = 3,929.43/x
  3. Step 3: Cross multiply
    4,917.22x = 6,792.41 × 3,929.43
  4. Step 4: Simplify right side
    4,917.22x = 26,690,299.63
  5. Step 5: Solve for x
    x = 26,690,299.63/4,917.22
  6. Step 6: Final answer
    x = 5,427.92

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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.