Home / 8,871.62-13,311.45-3,325.38

Finding the Fourth Proportional to 8,871.62, 13,311.45 and 3,325.38

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Solution

The fourth proportional to 8,871.62, 13,311.45 and 3,325.38 is: 4,989.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871.62 : 13,311.45 = 3,325.38 : x
  2. Step 2: Convert to fraction form
    8,871.62/13,311.45 = 3,325.38/x
  3. Step 3: Cross multiply
    8,871.62x = 13,311.45 × 3,325.38
  4. Step 4: Simplify right side
    8,871.62x = 44,265,629.60
  5. Step 5: Solve for x
    x = 44,265,629.60/8,871.62
  6. Step 6: Final answer
    x = 4,989.58

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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.