Home / 8,239.26-12,361.64-5,476.80

Finding the Fourth Proportional to 8,239.26, 12,361.64 and 5,476.80

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Solution

The fourth proportional to 8,239.26, 12,361.64 and 5,476.80 is: 8,217.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239.26 : 12,361.64 = 5,476.80 : x
  2. Step 2: Convert to fraction form
    8,239.26/12,361.64 = 5,476.80/x
  3. Step 3: Cross multiply
    8,239.26x = 12,361.64 × 5,476.80
  4. Step 4: Simplify right side
    8,239.26x = 67,702,202.57
  5. Step 5: Solve for x
    x = 67,702,202.57/8,239.26
  6. Step 6: Final answer
    x = 8,217.02

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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.