Home / 5,511.62-8,267.33-1,813.88

Finding the Fourth Proportional to 5,511.62, 8,267.33 and 1,813.88

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Solution

The fourth proportional to 5,511.62, 8,267.33 and 1,813.88 is: 2,720.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.62 : 8,267.33 = 1,813.88 : x
  2. Step 2: Convert to fraction form
    5,511.62/8,267.33 = 1,813.88/x
  3. Step 3: Cross multiply
    5,511.62x = 8,267.33 × 1,813.88
  4. Step 4: Simplify right side
    5,511.62x = 14,995,944.54
  5. Step 5: Solve for x
    x = 14,995,944.54/5,511.62
  6. Step 6: Final answer
    x = 2,720.79

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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.