Home / 5,435.62-8,156.01-2,660.77

Finding the Fourth Proportional to 5,435.62, 8,156.01 and 2,660.77

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Solution

The fourth proportional to 5,435.62, 8,156.01 and 2,660.77 is: 3,992.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.62 : 8,156.01 = 2,660.77 : x
  2. Step 2: Convert to fraction form
    5,435.62/8,156.01 = 2,660.77/x
  3. Step 3: Cross multiply
    5,435.62x = 8,156.01 × 2,660.77
  4. Step 4: Simplify right side
    5,435.62x = 21,701,286.90
  5. Step 5: Solve for x
    x = 21,701,286.90/5,435.62
  6. Step 6: Final answer
    x = 3,992.42

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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.