Home / 6,519.78-8,998.02-3,725.28

Finding the Fourth Proportional to 6,519.78, 8,998.02 and 3,725.28

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Solution

The fourth proportional to 6,519.78, 8,998.02 and 3,725.28 is: 5,141.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,519.78 : 8,998.02 = 3,725.28 : x
  2. Step 2: Convert to fraction form
    6,519.78/8,998.02 = 3,725.28/x
  3. Step 3: Cross multiply
    6,519.78x = 8,998.02 × 3,725.28
  4. Step 4: Simplify right side
    6,519.78x = 33,520,143.95
  5. Step 5: Solve for x
    x = 33,520,143.95/6,519.78
  6. Step 6: Final answer
    x = 5,141.30

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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.