Home / 7,129.02-10,694.97-2,198.46

Finding the Fourth Proportional to 7,129.02, 10,694.97 and 2,198.46

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Solution

The fourth proportional to 7,129.02, 10,694.97 and 2,198.46 is: 3,298.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129.02 : 10,694.97 = 2,198.46 : x
  2. Step 2: Convert to fraction form
    7,129.02/10,694.97 = 2,198.46/x
  3. Step 3: Cross multiply
    7,129.02x = 10,694.97 × 2,198.46
  4. Step 4: Simplify right side
    7,129.02x = 23,512,463.75
  5. Step 5: Solve for x
    x = 23,512,463.75/7,129.02
  6. Step 6: Final answer
    x = 3,298.13

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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.