Home / 5,217.82-7,200.55-2,859.96

Finding the Fourth Proportional to 5,217.82, 7,200.55 and 2,859.96

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Solution

The fourth proportional to 5,217.82, 7,200.55 and 2,859.96 is: 3,946.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.82 : 7,200.55 = 2,859.96 : x
  2. Step 2: Convert to fraction form
    5,217.82/7,200.55 = 2,859.96/x
  3. Step 3: Cross multiply
    5,217.82x = 7,200.55 × 2,859.96
  4. Step 4: Simplify right side
    5,217.82x = 20,593,248.98
  5. Step 5: Solve for x
    x = 20,593,248.98/5,217.82
  6. Step 6: Final answer
    x = 3,946.72

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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.