Home / 7,286.37-10,055.17-4,142.55

Finding the Fourth Proportional to 7,286.37, 10,055.17 and 4,142.55

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Solution

The fourth proportional to 7,286.37, 10,055.17 and 4,142.55 is: 5,716.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.37 : 10,055.17 = 4,142.55 : x
  2. Step 2: Convert to fraction form
    7,286.37/10,055.17 = 4,142.55/x
  3. Step 3: Cross multiply
    7,286.37x = 10,055.17 × 4,142.55
  4. Step 4: Simplify right side
    7,286.37x = 41,654,044.48
  5. Step 5: Solve for x
    x = 41,654,044.48/7,286.37
  6. Step 6: Final answer
    x = 5,716.71

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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.