Home / 5,456.36-8,183.54-1,559.82

Finding the Fourth Proportional to 5,456.36, 8,183.54 and 1,559.82

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Solution

The fourth proportional to 5,456.36, 8,183.54 and 1,559.82 is: 2,339.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.36 : 8,183.54 = 1,559.82 : x
  2. Step 2: Convert to fraction form
    5,456.36/8,183.54 = 1,559.82/x
  3. Step 3: Cross multiply
    5,456.36x = 8,183.54 × 1,559.82
  4. Step 4: Simplify right side
    5,456.36x = 12,764,849.36
  5. Step 5: Solve for x
    x = 12,764,849.36/5,456.36
  6. Step 6: Final answer
    x = 2,339.44

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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.