Home / 8,163.21-11,266.17-4,627.05

Finding the Fourth Proportional to 8,163.21, 11,266.17 and 4,627.05

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Solution

The fourth proportional to 8,163.21, 11,266.17 and 4,627.05 is: 6,385.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.21 : 11,266.17 = 4,627.05 : x
  2. Step 2: Convert to fraction form
    8,163.21/11,266.17 = 4,627.05/x
  3. Step 3: Cross multiply
    8,163.21x = 11,266.17 × 4,627.05
  4. Step 4: Simplify right side
    8,163.21x = 52,129,131.90
  5. Step 5: Solve for x
    x = 52,129,131.90/8,163.21
  6. Step 6: Final answer
    x = 6,385.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.