Home / 5,217.32-7,200.10-2,859.32

Finding the Fourth Proportional to 5,217.32, 7,200.10 and 2,859.32

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Solution

The fourth proportional to 5,217.32, 7,200.10 and 2,859.32 is: 3,945.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.32 : 7,200.10 = 2,859.32 : x
  2. Step 2: Convert to fraction form
    5,217.32/7,200.10 = 2,859.32/x
  3. Step 3: Cross multiply
    5,217.32x = 7,200.10 × 2,859.32
  4. Step 4: Simplify right side
    5,217.32x = 20,587,389.93
  5. Step 5: Solve for x
    x = 20,587,389.93/5,217.32
  6. Step 6: Final answer
    x = 3,945.97

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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.