Home / 5,516.28-8,277.39-4,286.16

Finding the Fourth Proportional to 5,516.28, 8,277.39 and 4,286.16

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Solution

The fourth proportional to 5,516.28, 8,277.39 and 4,286.16 is: 6,431.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.28 : 8,277.39 = 4,286.16 : x
  2. Step 2: Convert to fraction form
    5,516.28/8,277.39 = 4,286.16/x
  3. Step 3: Cross multiply
    5,516.28x = 8,277.39 × 4,286.16
  4. Step 4: Simplify right side
    5,516.28x = 35,478,217.92
  5. Step 5: Solve for x
    x = 35,478,217.92/5,516.28
  6. Step 6: Final answer
    x = 6,431.55

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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.