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Finding the Fourth Proportional to 7,663.92, 11,495.88 and 2,733.36

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Solution

The fourth proportional to 7,663.92, 11,495.88 and 2,733.36 is: 4,100.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,663.92 : 11,495.88 = 2,733.36 : x
  2. Step 2: Convert to fraction form
    7,663.92/11,495.88 = 2,733.36/x
  3. Step 3: Cross multiply
    7,663.92x = 11,495.88 × 2,733.36
  4. Step 4: Simplify right side
    7,663.92x = 31,422,378.56
  5. Step 5: Solve for x
    x = 31,422,378.56/7,663.92
  6. Step 6: Final answer
    x = 4,100.04

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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.