Home / 5,199.92-7,796.67-2,427.18

Finding the Fourth Proportional to 5,199.92, 7,796.67 and 2,427.18

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Solution

The fourth proportional to 5,199.92, 7,796.67 and 2,427.18 is: 3,639.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.92 : 7,796.67 = 2,427.18 : x
  2. Step 2: Convert to fraction form
    5,199.92/7,796.67 = 2,427.18/x
  3. Step 3: Cross multiply
    5,199.92x = 7,796.67 × 2,427.18
  4. Step 4: Simplify right side
    5,199.92x = 18,923,921.49
  5. Step 5: Solve for x
    x = 18,923,921.49/5,199.92
  6. Step 6: Final answer
    x = 3,639.28

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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.