Home / 5,102.42-7,039.58-2,863.98

Finding the Fourth Proportional to 5,102.42, 7,039.58 and 2,863.98

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Solution

The fourth proportional to 5,102.42, 7,039.58 and 2,863.98 is: 3,951.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102.42 : 7,039.58 = 2,863.98 : x
  2. Step 2: Convert to fraction form
    5,102.42/7,039.58 = 2,863.98/x
  3. Step 3: Cross multiply
    5,102.42x = 7,039.58 × 2,863.98
  4. Step 4: Simplify right side
    5,102.42x = 20,161,202.01
  5. Step 5: Solve for x
    x = 20,161,202.01/5,102.42
  6. Step 6: Final answer
    x = 3,951.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.