Home / 7,787.76-11,675.08-3,625.65

Finding the Fourth Proportional to 7,787.76, 11,675.08 and 3,625.65

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Solution

The fourth proportional to 7,787.76, 11,675.08 and 3,625.65 is: 5,435.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,787.76 : 11,675.08 = 3,625.65 : x
  2. Step 2: Convert to fraction form
    7,787.76/11,675.08 = 3,625.65/x
  3. Step 3: Cross multiply
    7,787.76x = 11,675.08 × 3,625.65
  4. Step 4: Simplify right side
    7,787.76x = 42,329,753.80
  5. Step 5: Solve for x
    x = 42,329,753.80/7,787.76
  6. Step 6: Final answer
    x = 5,435.42

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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.