Home / 7,826.22-11,738.66-3,148.81

Finding the Fourth Proportional to 7,826.22, 11,738.66 and 3,148.81

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Solution

The fourth proportional to 7,826.22, 11,738.66 and 3,148.81 is: 4,722.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,826.22 : 11,738.66 = 3,148.81 : x
  2. Step 2: Convert to fraction form
    7,826.22/11,738.66 = 3,148.81/x
  3. Step 3: Cross multiply
    7,826.22x = 11,738.66 × 3,148.81
  4. Step 4: Simplify right side
    7,826.22x = 36,962,764.90
  5. Step 5: Solve for x
    x = 36,962,764.90/7,826.22
  6. Step 6: Final answer
    x = 4,722.94

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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.