Home / 5,185.57-7,159.26-3,198.84

Finding the Fourth Proportional to 5,185.57, 7,159.26 and 3,198.84

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Solution

The fourth proportional to 5,185.57, 7,159.26 and 3,198.84 is: 4,416.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185.57 : 7,159.26 = 3,198.84 : x
  2. Step 2: Convert to fraction form
    5,185.57/7,159.26 = 3,198.84/x
  3. Step 3: Cross multiply
    5,185.57x = 7,159.26 × 3,198.84
  4. Step 4: Simplify right side
    5,185.57x = 22,901,311.26
  5. Step 5: Solve for x
    x = 22,901,311.26/5,185.57
  6. Step 6: Final answer
    x = 4,416.36

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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.