Home / 8,171.05-12,236.83-4,650.39

Finding the Fourth Proportional to 8,171.05, 12,236.83 and 4,650.39

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Solution

The fourth proportional to 8,171.05, 12,236.83 and 4,650.39 is: 6,964.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171.05 : 12,236.83 = 4,650.39 : x
  2. Step 2: Convert to fraction form
    8,171.05/12,236.83 = 4,650.39/x
  3. Step 3: Cross multiply
    8,171.05x = 12,236.83 × 4,650.39
  4. Step 4: Simplify right side
    8,171.05x = 56,906,031.86
  5. Step 5: Solve for x
    x = 56,906,031.86/8,171.05
  6. Step 6: Final answer
    x = 6,964.35

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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.