Home / 5,175.32-7,768.44-3,228.88

Finding the Fourth Proportional to 5,175.32, 7,768.44 and 3,228.88

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Solution

The fourth proportional to 5,175.32, 7,768.44 and 3,228.88 is: 4,846.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.32 : 7,768.44 = 3,228.88 : x
  2. Step 2: Convert to fraction form
    5,175.32/7,768.44 = 3,228.88/x
  3. Step 3: Cross multiply
    5,175.32x = 7,768.44 × 3,228.88
  4. Step 4: Simplify right side
    5,175.32x = 25,083,360.55
  5. Step 5: Solve for x
    x = 25,083,360.55/5,175.32
  6. Step 6: Final answer
    x = 4,846.73

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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.