Home / 5,217.44-7,200.32-2,859.68

Finding the Fourth Proportional to 5,217.44, 7,200.32 and 2,859.68

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Solution

The fourth proportional to 5,217.44, 7,200.32 and 2,859.68 is: 3,946.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.44 : 7,200.32 = 2,859.68 : x
  2. Step 2: Convert to fraction form
    5,217.44/7,200.32 = 2,859.68/x
  3. Step 3: Cross multiply
    5,217.44x = 7,200.32 × 2,859.68
  4. Step 4: Simplify right side
    5,217.44x = 20,590,611.10
  5. Step 5: Solve for x
    x = 20,590,611.10/5,217.44
  6. Step 6: Final answer
    x = 3,946.50

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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.