Home / 6,719.79-10,079.67-1,789.43

Finding the Fourth Proportional to 6,719.79, 10,079.67 and 1,789.43

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Solution

The fourth proportional to 6,719.79, 10,079.67 and 1,789.43 is: 2,684.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,719.79 : 10,079.67 = 1,789.43 : x
  2. Step 2: Convert to fraction form
    6,719.79/10,079.67 = 1,789.43/x
  3. Step 3: Cross multiply
    6,719.79x = 10,079.67 × 1,789.43
  4. Step 4: Simplify right side
    6,719.79x = 18,036,863.89
  5. Step 5: Solve for x
    x = 18,036,863.89/6,719.79
  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.