Home / 7,723.83-11,585.75-3,105.75

Finding the Fourth Proportional to 7,723.83, 11,585.75 and 3,105.75

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Solution

The fourth proportional to 7,723.83, 11,585.75 and 3,105.75 is: 4,658.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.83 : 11,585.75 = 3,105.75 : x
  2. Step 2: Convert to fraction form
    7,723.83/11,585.75 = 3,105.75/x
  3. Step 3: Cross multiply
    7,723.83x = 11,585.75 × 3,105.75
  4. Step 4: Simplify right side
    7,723.83x = 35,982,443.06
  5. Step 5: Solve for x
    x = 35,982,443.06/7,723.83
  6. Step 6: Final answer
    x = 4,658.63

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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.