Home / 7,966.17-11,949.21-2,772

Finding the Fourth Proportional to 7,966.17, 11,949.21 and 2,772

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Solution

The fourth proportional to 7,966.17, 11,949.21 and 2,772 is: 4,157.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.17 : 11,949.21 = 2,772 : x
  2. Step 2: Convert to fraction form
    7,966.17/11,949.21 = 2,772/x
  3. Step 3: Cross multiply
    7,966.17x = 11,949.21 × 2,772
  4. Step 4: Simplify right side
    7,966.17x = 33,123,210.12
  5. Step 5: Solve for x
    x = 33,123,210.12/7,966.17
  6. Step 6: Final answer
    x = 4,157.98

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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.