Home / 5,238.32-7,229.32-2,880.88

Finding the Fourth Proportional to 5,238.32, 7,229.32 and 2,880.88

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Solution

The fourth proportional to 5,238.32, 7,229.32 and 2,880.88 is: 3,975.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238.32 : 7,229.32 = 2,880.88 : x
  2. Step 2: Convert to fraction form
    5,238.32/7,229.32 = 2,880.88/x
  3. Step 3: Cross multiply
    5,238.32x = 7,229.32 × 2,880.88
  4. Step 4: Simplify right side
    5,238.32x = 20,826,778.13
  5. Step 5: Solve for x
    x = 20,826,778.13/5,238.32
  6. Step 6: Final answer
    x = 3,975.85

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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.