Home / 6,519.62-9,778.39-2,076.71

Finding the Fourth Proportional to 6,519.62, 9,778.39 and 2,076.71

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Solution

The fourth proportional to 6,519.62, 9,778.39 and 2,076.71 is: 3,114.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,519.62 : 9,778.39 = 2,076.71 : x
  2. Step 2: Convert to fraction form
    6,519.62/9,778.39 = 2,076.71/x
  3. Step 3: Cross multiply
    6,519.62x = 9,778.39 × 2,076.71
  4. Step 4: Simplify right side
    6,519.62x = 20,306,826.21
  5. Step 5: Solve for x
    x = 20,306,826.21/6,519.62
  6. Step 6: Final answer
    x = 3,114.72

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1.5x scale

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.