Home / 6,719.73-10,079.79-1,789.39

Finding the Fourth Proportional to 6,719.73, 10,079.79 and 1,789.39

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Solution

The fourth proportional to 6,719.73, 10,079.79 and 1,789.39 is: 2,684.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,719.73 : 10,079.79 = 1,789.39 : x
  2. Step 2: Convert to fraction form
    6,719.73/10,079.79 = 1,789.39/x
  3. Step 3: Cross multiply
    6,719.73x = 10,079.79 × 1,789.39
  4. Step 4: Simplify right side
    6,719.73x = 18,036,691.38
  5. Step 5: Solve for x
    x = 18,036,691.38/6,719.73
  6. Step 6: Final answer
    x = 2,684.14

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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.