Home / 5,217.29-7,200.03-2,859.43

Finding the Fourth Proportional to 5,217.29, 7,200.03 and 2,859.43

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Solution

The fourth proportional to 5,217.29, 7,200.03 and 2,859.43 is: 3,946.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.29 : 7,200.03 = 2,859.43 : x
  2. Step 2: Convert to fraction form
    5,217.29/7,200.03 = 2,859.43/x
  3. Step 3: Cross multiply
    5,217.29x = 7,200.03 × 2,859.43
  4. Step 4: Simplify right side
    5,217.29x = 20,587,945.78
  5. Step 5: Solve for x
    x = 20,587,945.78/5,217.29
  6. Step 6: Final answer
    x = 3,946.10

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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.