Home / 7,966.37-11,949.59-2,419.76

Finding the Fourth Proportional to 7,966.37, 11,949.59 and 2,419.76

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Solution

The fourth proportional to 7,966.37, 11,949.59 and 2,419.76 is: 3,629.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.37 : 11,949.59 = 2,419.76 : x
  2. Step 2: Convert to fraction form
    7,966.37/11,949.59 = 2,419.76/x
  3. Step 3: Cross multiply
    7,966.37x = 11,949.59 × 2,419.76
  4. Step 4: Simplify right side
    7,966.37x = 28,915,080.15
  5. Step 5: Solve for x
    x = 28,915,080.15/7,966.37
  6. Step 6: Final answer
    x = 3,629.65

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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.