Home / 7,647.42-11,481.75-3,952.38

Finding the Fourth Proportional to 7,647.42, 11,481.75 and 3,952.38

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Solution

The fourth proportional to 7,647.42, 11,481.75 and 3,952.38 is: 5,934.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,647.42 : 11,481.75 = 3,952.38 : x
  2. Step 2: Convert to fraction form
    7,647.42/11,481.75 = 3,952.38/x
  3. Step 3: Cross multiply
    7,647.42x = 11,481.75 × 3,952.38
  4. Step 4: Simplify right side
    7,647.42x = 45,380,239.07
  5. Step 5: Solve for x
    x = 45,380,239.07/7,647.42
  6. Step 6: Final answer
    x = 5,934.06

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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.