Home / 5,476.33-8,218.45-2,190.34

Finding the Fourth Proportional to 5,476.33, 8,218.45 and 2,190.34

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Solution

The fourth proportional to 5,476.33, 8,218.45 and 2,190.34 is: 3,287.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.33 : 8,218.45 = 2,190.34 : x
  2. Step 2: Convert to fraction form
    5,476.33/8,218.45 = 2,190.34/x
  3. Step 3: Cross multiply
    5,476.33x = 8,218.45 × 2,190.34
  4. Step 4: Simplify right side
    5,476.33x = 18,001,181.96
  5. Step 5: Solve for x
    x = 18,001,181.96/5,476.33
  6. Step 6: Final answer
    x = 3,287.09

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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.