Home / 5,179.56-7,762.92-2,402.42

Finding the Fourth Proportional to 5,179.56, 7,762.92 and 2,402.42

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Solution

The fourth proportional to 5,179.56, 7,762.92 and 2,402.42 is: 3,600.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.56 : 7,762.92 = 2,402.42 : x
  2. Step 2: Convert to fraction form
    5,179.56/7,762.92 = 2,402.42/x
  3. Step 3: Cross multiply
    5,179.56x = 7,762.92 × 2,402.42
  4. Step 4: Simplify right side
    5,179.56x = 18,649,755.45
  5. Step 5: Solve for x
    x = 18,649,755.45/5,179.56
  6. Step 6: Final answer
    x = 3,600.64

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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.