Home / 7,966.64-11,951.80-2,772.56

Finding the Fourth Proportional to 7,966.64, 11,951.80 and 2,772.56

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Solution

The fourth proportional to 7,966.64, 11,951.80 and 2,772.56 is: 4,159.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.64 : 11,951.80 = 2,772.56 : x
  2. Step 2: Convert to fraction form
    7,966.64/11,951.80 = 2,772.56/x
  3. Step 3: Cross multiply
    7,966.64x = 11,951.80 × 2,772.56
  4. Step 4: Simplify right side
    7,966.64x = 33,137,082.61
  5. Step 5: Solve for x
    x = 33,137,082.61/7,966.64
  6. Step 6: Final answer
    x = 4,159.48

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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.