Home / 4,917.31-6,787.64-4,392.43

Finding the Fourth Proportional to 4,917.31, 6,787.64 and 4,392.43

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Solution

The fourth proportional to 4,917.31, 6,787.64 and 4,392.43 is: 6,063.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.31 : 6,787.64 = 4,392.43 : x
  2. Step 2: Convert to fraction form
    4,917.31/6,787.64 = 4,392.43/x
  3. Step 3: Cross multiply
    4,917.31x = 6,787.64 × 4,392.43
  4. Step 4: Simplify right side
    4,917.31x = 29,814,233.57
  5. Step 5: Solve for x
    x = 29,814,233.57/4,917.31
  6. Step 6: Final answer
    x = 6,063.12

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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.