Home / 5,217.57-7,826.35-1,757.25

Finding the Fourth Proportional to 5,217.57, 7,826.35 and 1,757.25

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Solution

The fourth proportional to 5,217.57, 7,826.35 and 1,757.25 is: 2,635.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.57 : 7,826.35 = 1,757.25 : x
  2. Step 2: Convert to fraction form
    5,217.57/7,826.35 = 1,757.25/x
  3. Step 3: Cross multiply
    5,217.57x = 7,826.35 × 1,757.25
  4. Step 4: Simplify right side
    5,217.57x = 13,752,853.54
  5. Step 5: Solve for x
    x = 13,752,853.54/5,217.57
  6. Step 6: Final answer
    x = 2,635.87

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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.