Home / 4,757.31-7,127.54-3,198.62

Finding the Fourth Proportional to 4,757.31, 7,127.54 and 3,198.62

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Solution

The fourth proportional to 4,757.31, 7,127.54 and 3,198.62 is: 4,792.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,757.31 : 7,127.54 = 3,198.62 : x
  2. Step 2: Convert to fraction form
    4,757.31/7,127.54 = 3,198.62/x
  3. Step 3: Cross multiply
    4,757.31x = 7,127.54 × 3,198.62
  4. Step 4: Simplify right side
    4,757.31x = 22,798,240.36
  5. Step 5: Solve for x
    x = 22,798,240.36/4,757.31
  6. Step 6: Final answer
    x = 4,792.25

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1.5x scale

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.