Home / 5,678.82-8,519.24-1,930.95

Finding the Fourth Proportional to 5,678.82, 8,519.24 and 1,930.95

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Solution

The fourth proportional to 5,678.82, 8,519.24 and 1,930.95 is: 2,896.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678.82 : 8,519.24 = 1,930.95 : x
  2. Step 2: Convert to fraction form
    5,678.82/8,519.24 = 1,930.95/x
  3. Step 3: Cross multiply
    5,678.82x = 8,519.24 × 1,930.95
  4. Step 4: Simplify right side
    5,678.82x = 16,450,183.88
  5. Step 5: Solve for x
    x = 16,450,183.88/5,678.82
  6. Step 6: Final answer
    x = 2,896.76

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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.