Home / 6,728.22-10,103.31-4,147.56

Finding the Fourth Proportional to 6,728.22, 10,103.31 and 4,147.56

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Solution

The fourth proportional to 6,728.22, 10,103.31 and 4,147.56 is: 6,228.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,728.22 : 10,103.31 = 4,147.56 : x
  2. Step 2: Convert to fraction form
    6,728.22/10,103.31 = 4,147.56/x
  3. Step 3: Cross multiply
    6,728.22x = 10,103.31 × 4,147.56
  4. Step 4: Simplify right side
    6,728.22x = 41,904,084.42
  5. Step 5: Solve for x
    x = 41,904,084.42/6,728.22
  6. Step 6: Final answer
    x = 6,228.11

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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.