Home / 7,746.47-11,617.97-2,199.69

Finding the Fourth Proportional to 7,746.47, 11,617.97 and 2,199.69

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Solution

The fourth proportional to 7,746.47, 11,617.97 and 2,199.69 is: 3,299.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,746.47 : 11,617.97 = 2,199.69 : x
  2. Step 2: Convert to fraction form
    7,746.47/11,617.97 = 2,199.69/x
  3. Step 3: Cross multiply
    7,746.47x = 11,617.97 × 2,199.69
  4. Step 4: Simplify right side
    7,746.47x = 25,555,921.43
  5. Step 5: Solve for x
    x = 25,555,921.43/7,746.47
  6. Step 6: Final answer
    x = 3,299.04

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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.