Home / 5,513.25-8,270.01-2,181.36

Finding the Fourth Proportional to 5,513.25, 8,270.01 and 2,181.36

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Solution

The fourth proportional to 5,513.25, 8,270.01 and 2,181.36 is: 3,272.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.25 : 8,270.01 = 2,181.36 : x
  2. Step 2: Convert to fraction form
    5,513.25/8,270.01 = 2,181.36/x
  3. Step 3: Cross multiply
    5,513.25x = 8,270.01 × 2,181.36
  4. Step 4: Simplify right side
    5,513.25x = 18,039,869.01
  5. Step 5: Solve for x
    x = 18,039,869.01/5,513.25
  6. Step 6: Final answer
    x = 3,272.09

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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.