Home / 5,186.52-7,157.82-2,949.09

Finding the Fourth Proportional to 5,186.52, 7,157.82 and 2,949.09

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Solution

The fourth proportional to 5,186.52, 7,157.82 and 2,949.09 is: 4,069.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.52 : 7,157.82 = 2,949.09 : x
  2. Step 2: Convert to fraction form
    5,186.52/7,157.82 = 2,949.09/x
  3. Step 3: Cross multiply
    5,186.52x = 7,157.82 × 2,949.09
  4. Step 4: Simplify right side
    5,186.52x = 21,109,055.38
  5. Step 5: Solve for x
    x = 21,109,055.38/5,186.52
  6. Step 6: Final answer
    x = 4,069.98

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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.