Home / 6,946.60-10,418.28-2,789.68

Finding the Fourth Proportional to 6,946.60, 10,418.28 and 2,789.68

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Solution

The fourth proportional to 6,946.60, 10,418.28 and 2,789.68 is: 4,183.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,946.60 : 10,418.28 = 2,789.68 : x
  2. Step 2: Convert to fraction form
    6,946.60/10,418.28 = 2,789.68/x
  3. Step 3: Cross multiply
    6,946.60x = 10,418.28 × 2,789.68
  4. Step 4: Simplify right side
    6,946.60x = 29,063,667.35
  5. Step 5: Solve for x
    x = 29,063,667.35/6,946.60
  6. Step 6: Final answer
    x = 4,183.87

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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.