Home / 8,284.86-12,427.29-5,361.57

Finding the Fourth Proportional to 8,284.86, 12,427.29 and 5,361.57

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Solution

The fourth proportional to 8,284.86, 12,427.29 and 5,361.57 is: 8,042.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,284.86 : 12,427.29 = 5,361.57 : x
  2. Step 2: Convert to fraction form
    8,284.86/12,427.29 = 5,361.57/x
  3. Step 3: Cross multiply
    8,284.86x = 12,427.29 × 5,361.57
  4. Step 4: Simplify right side
    8,284.86x = 66,629,785.25
  5. Step 5: Solve for x
    x = 66,629,785.25/8,284.86
  6. Step 6: Final answer
    x = 8,042.36

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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.