Home / 5,511.12-8,267.21-1,813.38

Finding the Fourth Proportional to 5,511.12, 8,267.21 and 1,813.38

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Solution

The fourth proportional to 5,511.12, 8,267.21 and 1,813.38 is: 2,720.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.12 : 8,267.21 = 1,813.38 : x
  2. Step 2: Convert to fraction form
    5,511.12/8,267.21 = 1,813.38/x
  3. Step 3: Cross multiply
    5,511.12x = 8,267.21 × 1,813.38
  4. Step 4: Simplify right side
    5,511.12x = 14,991,584.20
  5. Step 5: Solve for x
    x = 14,991,584.20/5,511.12
  6. Step 6: Final answer
    x = 2,720.24

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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.