Home / 7,823.30-11,736.48-3,440.75

Finding the Fourth Proportional to 7,823.30, 11,736.48 and 3,440.75

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Solution

The fourth proportional to 7,823.30, 11,736.48 and 3,440.75 is: 5,161.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,823.30 : 11,736.48 = 3,440.75 : x
  2. Step 2: Convert to fraction form
    7,823.30/11,736.48 = 3,440.75/x
  3. Step 3: Cross multiply
    7,823.30x = 11,736.48 × 3,440.75
  4. Step 4: Simplify right side
    7,823.30x = 40,382,234.88
  5. Step 5: Solve for x
    x = 40,382,234.88/7,823.30
  6. Step 6: Final answer
    x = 5,161.79

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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.