Home / 8,164.20-12,242.70-3,232.20

Finding the Fourth Proportional to 8,164.20, 12,242.70 and 3,232.20

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Solution

The fourth proportional to 8,164.20, 12,242.70 and 3,232.20 is: 4,846.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,164.20 : 12,242.70 = 3,232.20 : x
  2. Step 2: Convert to fraction form
    8,164.20/12,242.70 = 3,232.20/x
  3. Step 3: Cross multiply
    8,164.20x = 12,242.70 × 3,232.20
  4. Step 4: Simplify right side
    8,164.20x = 39,570,854.94
  5. Step 5: Solve for x
    x = 39,570,854.94/8,164.20
  6. Step 6: Final answer
    x = 4,846.87

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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.