Home / 7,752.89-11,629.86-2,206.66

Finding the Fourth Proportional to 7,752.89, 11,629.86 and 2,206.66

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Solution

The fourth proportional to 7,752.89, 11,629.86 and 2,206.66 is: 3,310.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,752.89 : 11,629.86 = 2,206.66 : x
  2. Step 2: Convert to fraction form
    7,752.89/11,629.86 = 2,206.66/x
  3. Step 3: Cross multiply
    7,752.89x = 11,629.86 × 2,206.66
  4. Step 4: Simplify right side
    7,752.89x = 25,663,146.87
  5. Step 5: Solve for x
    x = 25,663,146.87/7,752.89
  6. Step 6: Final answer
    x = 3,310.14

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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.