Home / 7,185.07-10,777.57-3,425.44

Finding the Fourth Proportional to 7,185.07, 10,777.57 and 3,425.44

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Solution

The fourth proportional to 7,185.07, 10,777.57 and 3,425.44 is: 5,138.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185.07 : 10,777.57 = 3,425.44 : x
  2. Step 2: Convert to fraction form
    7,185.07/10,777.57 = 3,425.44/x
  3. Step 3: Cross multiply
    7,185.07x = 10,777.57 × 3,425.44
  4. Step 4: Simplify right side
    7,185.07x = 36,917,919.38
  5. Step 5: Solve for x
    x = 36,917,919.38/7,185.07
  6. Step 6: Final answer
    x = 5,138.14

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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.