Home / 5,217.43-7,200.08-2,859.61

Finding the Fourth Proportional to 5,217.43, 7,200.08 and 2,859.61

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Solution

The fourth proportional to 5,217.43, 7,200.08 and 2,859.61 is: 3,946.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.43 : 7,200.08 = 2,859.61 : x
  2. Step 2: Convert to fraction form
    5,217.43/7,200.08 = 2,859.61/x
  3. Step 3: Cross multiply
    5,217.43x = 7,200.08 × 2,859.61
  4. Step 4: Simplify right side
    5,217.43x = 20,589,420.77
  5. Step 5: Solve for x
    x = 20,589,420.77/5,217.43
  6. Step 6: Final answer
    x = 3,946.28

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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.