Home / 5,489.90-8,220.75-3,021.97

Finding the Fourth Proportional to 5,489.90, 8,220.75 and 3,021.97

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Solution

The fourth proportional to 5,489.90, 8,220.75 and 3,021.97 is: 4,525.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.90 : 8,220.75 = 3,021.97 : x
  2. Step 2: Convert to fraction form
    5,489.90/8,220.75 = 3,021.97/x
  3. Step 3: Cross multiply
    5,489.90x = 8,220.75 × 3,021.97
  4. Step 4: Simplify right side
    5,489.90x = 24,842,818.77
  5. Step 5: Solve for x
    x = 24,842,818.77/5,489.90
  6. Step 6: Final answer
    x = 4,525.19

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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.