Home / 8,361.90-12,544.20-3,364.38

Finding the Fourth Proportional to 8,361.90, 12,544.20 and 3,364.38

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Solution

The fourth proportional to 8,361.90, 12,544.20 and 3,364.38 is: 5,047.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,361.90 : 12,544.20 = 3,364.38 : x
  2. Step 2: Convert to fraction form
    8,361.90/12,544.20 = 3,364.38/x
  3. Step 3: Cross multiply
    8,361.90x = 12,544.20 × 3,364.38
  4. Step 4: Simplify right side
    8,361.90x = 42,203,455.60
  5. Step 5: Solve for x
    x = 42,203,455.60/8,361.90
  6. Step 6: Final answer
    x = 5,047.11

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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.