Home / 7,617.06-11,425.62-3,231.42

Finding the Fourth Proportional to 7,617.06, 11,425.62 and 3,231.42

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Solution

The fourth proportional to 7,617.06, 11,425.62 and 3,231.42 is: 4,847.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,617.06 : 11,425.62 = 3,231.42 : x
  2. Step 2: Convert to fraction form
    7,617.06/11,425.62 = 3,231.42/x
  3. Step 3: Cross multiply
    7,617.06x = 11,425.62 × 3,231.42
  4. Step 4: Simplify right side
    7,617.06x = 36,920,976.98
  5. Step 5: Solve for x
    x = 36,920,976.98/7,617.06
  6. Step 6: Final answer
    x = 4,847.14

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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.