Home / 7,286.37-10,055.25-4,142.76

Finding the Fourth Proportional to 7,286.37, 10,055.25 and 4,142.76

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Solution

The fourth proportional to 7,286.37, 10,055.25 and 4,142.76 is: 5,717.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.37 : 10,055.25 = 4,142.76 : x
  2. Step 2: Convert to fraction form
    7,286.37/10,055.25 = 4,142.76/x
  3. Step 3: Cross multiply
    7,286.37x = 10,055.25 × 4,142.76
  4. Step 4: Simplify right side
    7,286.37x = 41,656,487.49
  5. Step 5: Solve for x
    x = 41,656,487.49/7,286.37
  6. Step 6: Final answer
    x = 5,717.04

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Double scale
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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.