Home / 5,185.10-7,151.79-3,195.02

Finding the Fourth Proportional to 5,185.10, 7,151.79 and 3,195.02

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Solution

The fourth proportional to 5,185.10, 7,151.79 and 3,195.02 is: 4,406.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185.10 : 7,151.79 = 3,195.02 : x
  2. Step 2: Convert to fraction form
    5,185.10/7,151.79 = 3,195.02/x
  3. Step 3: Cross multiply
    5,185.10x = 7,151.79 × 3,195.02
  4. Step 4: Simplify right side
    5,185.10x = 22,850,112.09
  5. Step 5: Solve for x
    x = 22,850,112.09/5,185.10
  6. Step 6: Final answer
    x = 4,406.88

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1.5x scale

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.