Home / 5,198.28-7,172.46-3,102

Finding the Fourth Proportional to 5,198.28, 7,172.46 and 3,102

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Solution

The fourth proportional to 5,198.28, 7,172.46 and 3,102 is: 4,280.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.28 : 7,172.46 = 3,102 : x
  2. Step 2: Convert to fraction form
    5,198.28/7,172.46 = 3,102/x
  3. Step 3: Cross multiply
    5,198.28x = 7,172.46 × 3,102
  4. Step 4: Simplify right side
    5,198.28x = 22,248,970.92
  5. Step 5: Solve for x
    x = 22,248,970.92/5,198.28
  6. Step 6: Final answer
    x = 4,280.06

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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.