Home / 8,251.36-12,381.60-3,634.24

Finding the Fourth Proportional to 8,251.36, 12,381.60 and 3,634.24

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Solution

The fourth proportional to 8,251.36, 12,381.60 and 3,634.24 is: 5,453.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.36 : 12,381.60 = 3,634.24 : x
  2. Step 2: Convert to fraction form
    8,251.36/12,381.60 = 3,634.24/x
  3. Step 3: Cross multiply
    8,251.36x = 12,381.60 × 3,634.24
  4. Step 4: Simplify right side
    8,251.36x = 44,997,705.98
  5. Step 5: Solve for x
    x = 44,997,705.98/8,251.36
  6. Step 6: Final answer
    x = 5,453.37

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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.