Home / 8,131.46-12,191.22-3,626.60

Finding the Fourth Proportional to 8,131.46, 12,191.22 and 3,626.60

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Solution

The fourth proportional to 8,131.46, 12,191.22 and 3,626.60 is: 5,437.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131.46 : 12,191.22 = 3,626.60 : x
  2. Step 2: Convert to fraction form
    8,131.46/12,191.22 = 3,626.60/x
  3. Step 3: Cross multiply
    8,131.46x = 12,191.22 × 3,626.60
  4. Step 4: Simplify right side
    8,131.46x = 44,212,678.45
  5. Step 5: Solve for x
    x = 44,212,678.45/8,131.46
  6. Step 6: Final answer
    x = 5,437.24

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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.