Home / 5,217.62-7,826.22-1,931.34

Finding the Fourth Proportional to 5,217.62, 7,826.22 and 1,931.34

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Solution

The fourth proportional to 5,217.62, 7,826.22 and 1,931.34 is: 2,896.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.62 : 7,826.22 = 1,931.34 : x
  2. Step 2: Convert to fraction form
    5,217.62/7,826.22 = 1,931.34/x
  3. Step 3: Cross multiply
    5,217.62x = 7,826.22 × 1,931.34
  4. Step 4: Simplify right side
    5,217.62x = 15,115,121.08
  5. Step 5: Solve for x
    x = 15,115,121.08/5,217.62
  6. Step 6: Final answer
    x = 2,896.94

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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.