Home / 8,910.96-13,362.24-2,668.56

Finding the Fourth Proportional to 8,910.96, 13,362.24 and 2,668.56

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Solution

The fourth proportional to 8,910.96, 13,362.24 and 2,668.56 is: 4,001.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910.96 : 13,362.24 = 2,668.56 : x
  2. Step 2: Convert to fraction form
    8,910.96/13,362.24 = 2,668.56/x
  3. Step 3: Cross multiply
    8,910.96x = 13,362.24 × 2,668.56
  4. Step 4: Simplify right side
    8,910.96x = 35,657,939.17
  5. Step 5: Solve for x
    x = 35,657,939.17/8,910.96
  6. Step 6: Final answer
    x = 4,001.58

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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.