Home / 6,799.18-10,200.39-2,639.29

Finding the Fourth Proportional to 6,799.18, 10,200.39 and 2,639.29

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Solution

The fourth proportional to 6,799.18, 10,200.39 and 2,639.29 is: 3,959.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,799.18 : 10,200.39 = 2,639.29 : x
  2. Step 2: Convert to fraction form
    6,799.18/10,200.39 = 2,639.29/x
  3. Step 3: Cross multiply
    6,799.18x = 10,200.39 × 2,639.29
  4. Step 4: Simplify right side
    6,799.18x = 26,921,787.32
  5. Step 5: Solve for x
    x = 26,921,787.32/6,799.18
  6. Step 6: Final answer
    x = 3,959.56

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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.