Home / 7,966.28-11,949.36-2,772.14

Finding the Fourth Proportional to 7,966.28, 11,949.36 and 2,772.14

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Solution

The fourth proportional to 7,966.28, 11,949.36 and 2,772.14 is: 4,158.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.28 : 11,949.36 = 2,772.14 : x
  2. Step 2: Convert to fraction form
    7,966.28/11,949.36 = 2,772.14/x
  3. Step 3: Cross multiply
    7,966.28x = 11,949.36 × 2,772.14
  4. Step 4: Simplify right side
    7,966.28x = 33,125,298.83
  5. Step 5: Solve for x
    x = 33,125,298.83/7,966.28
  6. Step 6: Final answer
    x = 4,158.19

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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.