Home / 5,511.13-8,267.89-1,813.73

Finding the Fourth Proportional to 5,511.13, 8,267.89 and 1,813.73

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Solution

The fourth proportional to 5,511.13, 8,267.89 and 1,813.73 is: 2,720.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.13 : 8,267.89 = 1,813.73 : x
  2. Step 2: Convert to fraction form
    5,511.13/8,267.89 = 1,813.73/x
  3. Step 3: Cross multiply
    5,511.13x = 8,267.89 × 1,813.73
  4. Step 4: Simplify right side
    5,511.13x = 14,995,704.89
  5. Step 5: Solve for x
    x = 14,995,704.89/5,511.13
  6. Step 6: Final answer
    x = 2,720.99

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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.