Home / 5,220.49-7,829.17-2,753.96

Finding the Fourth Proportional to 5,220.49, 7,829.17 and 2,753.96

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Solution

The fourth proportional to 5,220.49, 7,829.17 and 2,753.96 is: 4,130.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.49 : 7,829.17 = 2,753.96 : x
  2. Step 2: Convert to fraction form
    5,220.49/7,829.17 = 2,753.96/x
  3. Step 3: Cross multiply
    5,220.49x = 7,829.17 × 2,753.96
  4. Step 4: Simplify right side
    5,220.49x = 21,561,221.01
  5. Step 5: Solve for x
    x = 21,561,221.01/5,220.49
  6. Step 6: Final answer
    x = 4,130.11

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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.