Home / 8,161.42-12,240.30-3,232.16

Finding the Fourth Proportional to 8,161.42, 12,240.30 and 3,232.16

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Solution

The fourth proportional to 8,161.42, 12,240.30 and 3,232.16 is: 4,847.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.42 : 12,240.30 = 3,232.16 : x
  2. Step 2: Convert to fraction form
    8,161.42/12,240.30 = 3,232.16/x
  3. Step 3: Cross multiply
    8,161.42x = 12,240.30 × 3,232.16
  4. Step 4: Simplify right side
    8,161.42x = 39,562,608.05
  5. Step 5: Solve for x
    x = 39,562,608.05/8,161.42
  6. Step 6: Final answer
    x = 4,847.52

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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.