Home / 6,787.14-10,166.79-4,005.39

Finding the Fourth Proportional to 6,787.14, 10,166.79 and 4,005.39

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Solution

The fourth proportional to 6,787.14, 10,166.79 and 4,005.39 is: 5,999.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787.14 : 10,166.79 = 4,005.39 : x
  2. Step 2: Convert to fraction form
    6,787.14/10,166.79 = 4,005.39/x
  3. Step 3: Cross multiply
    6,787.14x = 10,166.79 × 4,005.39
  4. Step 4: Simplify right side
    6,787.14x = 40,721,959.00
  5. Step 5: Solve for x
    x = 40,721,959.00/6,787.14
  6. Step 6: Final answer
    x = 5,999.87

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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.