Home / 7,787.08-11,682.78-3,626.92

Finding the Fourth Proportional to 7,787.08, 11,682.78 and 3,626.92

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Solution

The fourth proportional to 7,787.08, 11,682.78 and 3,626.92 is: 5,441.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,787.08 : 11,682.78 = 3,626.92 : x
  2. Step 2: Convert to fraction form
    7,787.08/11,682.78 = 3,626.92/x
  3. Step 3: Cross multiply
    7,787.08x = 11,682.78 × 3,626.92
  4. Step 4: Simplify right side
    7,787.08x = 42,372,508.44
  5. Step 5: Solve for x
    x = 42,372,508.44/7,787.08
  6. Step 6: Final answer
    x = 5,441.39

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1.5x scale

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.