Home / 8,163.10-12,247.35-2,617.30

Finding the Fourth Proportional to 8,163.10, 12,247.35 and 2,617.30

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Solution

The fourth proportional to 8,163.10, 12,247.35 and 2,617.30 is: 3,926.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.10 : 12,247.35 = 2,617.30 : x
  2. Step 2: Convert to fraction form
    8,163.10/12,247.35 = 2,617.30/x
  3. Step 3: Cross multiply
    8,163.10x = 12,247.35 × 2,617.30
  4. Step 4: Simplify right side
    8,163.10x = 32,054,989.16
  5. Step 5: Solve for x
    x = 32,054,989.16/8,163.10
  6. Step 6: Final answer
    x = 3,926.82

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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.