Home / 5,511.82-8,268.12-1,814.16

Finding the Fourth Proportional to 5,511.82, 8,268.12 and 1,814.16

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Solution

The fourth proportional to 5,511.82, 8,268.12 and 1,814.16 is: 2,721.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.82 : 8,268.12 = 1,814.16 : x
  2. Step 2: Convert to fraction form
    5,511.82/8,268.12 = 1,814.16/x
  3. Step 3: Cross multiply
    5,511.82x = 8,268.12 × 1,814.16
  4. Step 4: Simplify right side
    5,511.82x = 14,999,692.58
  5. Step 5: Solve for x
    x = 14,999,692.58/5,511.82
  6. Step 6: Final answer
    x = 2,721.37

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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.