Home / 5,717.28-8,576.28-2,208.96

Finding the Fourth Proportional to 5,717.28, 8,576.28 and 2,208.96

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Solution

The fourth proportional to 5,717.28, 8,576.28 and 2,208.96 is: 3,313.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,717.28 : 8,576.28 = 2,208.96 : x
  2. Step 2: Convert to fraction form
    5,717.28/8,576.28 = 2,208.96/x
  3. Step 3: Cross multiply
    5,717.28x = 8,576.28 × 2,208.96
  4. Step 4: Simplify right side
    5,717.28x = 18,944,659.47
  5. Step 5: Solve for x
    x = 18,944,659.47/5,717.28
  6. Step 6: Final answer
    x = 3,313.58

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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.