Home / 6,679.27-10,012.39-2,784.79

Finding the Fourth Proportional to 6,679.27, 10,012.39 and 2,784.79

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Solution

The fourth proportional to 6,679.27, 10,012.39 and 2,784.79 is: 4,174.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679.27 : 10,012.39 = 2,784.79 : x
  2. Step 2: Convert to fraction form
    6,679.27/10,012.39 = 2,784.79/x
  3. Step 3: Cross multiply
    6,679.27x = 10,012.39 × 2,784.79
  4. Step 4: Simplify right side
    6,679.27x = 27,882,403.55
  5. Step 5: Solve for x
    x = 27,882,403.55/6,679.27
  6. Step 6: Final answer
    x = 4,174.47

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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.