Home / 7,629.76-11,446.26-2,435.68

Finding the Fourth Proportional to 7,629.76, 11,446.26 and 2,435.68

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Solution

The fourth proportional to 7,629.76, 11,446.26 and 2,435.68 is: 3,654.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.76 : 11,446.26 = 2,435.68 : x
  2. Step 2: Convert to fraction form
    7,629.76/11,446.26 = 2,435.68/x
  3. Step 3: Cross multiply
    7,629.76x = 11,446.26 × 2,435.68
  4. Step 4: Simplify right side
    7,629.76x = 27,879,426.56
  5. Step 5: Solve for x
    x = 27,879,426.56/7,629.76
  6. Step 6: Final answer
    x = 3,654.04

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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.