Home / 5,172.32-7,754.88-3,197.72

Finding the Fourth Proportional to 5,172.32, 7,754.88 and 3,197.72

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Solution

The fourth proportional to 5,172.32, 7,754.88 and 3,197.72 is: 4,794.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172.32 : 7,754.88 = 3,197.72 : x
  2. Step 2: Convert to fraction form
    5,172.32/7,754.88 = 3,197.72/x
  3. Step 3: Cross multiply
    5,172.32x = 7,754.88 × 3,197.72
  4. Step 4: Simplify right side
    5,172.32x = 24,797,934.87
  5. Step 5: Solve for x
    x = 24,797,934.87/5,172.32
  6. Step 6: Final answer
    x = 4,794.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.