Home / 8,161.08-12,241.66-2,967.40

Finding the Fourth Proportional to 8,161.08, 12,241.66 and 2,967.40

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Solution

The fourth proportional to 8,161.08, 12,241.66 and 2,967.40 is: 4,451.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.08 : 12,241.66 = 2,967.40 : x
  2. Step 2: Convert to fraction form
    8,161.08/12,241.66 = 2,967.40/x
  3. Step 3: Cross multiply
    8,161.08x = 12,241.66 × 2,967.40
  4. Step 4: Simplify right side
    8,161.08x = 36,325,901.88
  5. Step 5: Solve for x
    x = 36,325,901.88/8,161.08
  6. Step 6: Final answer
    x = 4,451.11

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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.