Home / 5,217.67-7,200.36-2,859.82

Finding the Fourth Proportional to 5,217.67, 7,200.36 and 2,859.82

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Solution

The fourth proportional to 5,217.67, 7,200.36 and 2,859.82 is: 3,946.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.67 : 7,200.36 = 2,859.82 : x
  2. Step 2: Convert to fraction form
    5,217.67/7,200.36 = 2,859.82/x
  3. Step 3: Cross multiply
    5,217.67x = 7,200.36 × 2,859.82
  4. Step 4: Simplify right side
    5,217.67x = 20,591,733.54
  5. Step 5: Solve for x
    x = 20,591,733.54/5,217.67
  6. Step 6: Final answer
    x = 3,946.54

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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.