Home / 7,787.08-11,680.54-3,169.96

Finding the Fourth Proportional to 7,787.08, 11,680.54 and 3,169.96

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Solution

The fourth proportional to 7,787.08, 11,680.54 and 3,169.96 is: 4,754.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,787.08 : 11,680.54 = 3,169.96 : x
  2. Step 2: Convert to fraction form
    7,787.08/11,680.54 = 3,169.96/x
  3. Step 3: Cross multiply
    7,787.08x = 11,680.54 × 3,169.96
  4. Step 4: Simplify right side
    7,787.08x = 37,026,844.58
  5. Step 5: Solve for x
    x = 37,026,844.58/7,787.08
  6. Step 6: Final answer
    x = 4,754.91

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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.