Home / 5,511.12-8,266.58-1,813.38

Finding the Fourth Proportional to 5,511.12, 8,266.58 and 1,813.38

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Solution

The fourth proportional to 5,511.12, 8,266.58 and 1,813.38 is: 2,720.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.12 : 8,266.58 = 1,813.38 : x
  2. Step 2: Convert to fraction form
    5,511.12/8,266.58 = 1,813.38/x
  3. Step 3: Cross multiply
    5,511.12x = 8,266.58 × 1,813.38
  4. Step 4: Simplify right side
    5,511.12x = 14,990,450.84
  5. Step 5: Solve for x
    x = 14,990,450.84/5,511.12
  6. Step 6: Final answer
    x = 2,720.04

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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.