Home / 8,154.12-12,224.16-3,769.32

Finding the Fourth Proportional to 8,154.12, 12,224.16 and 3,769.32

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Solution

The fourth proportional to 8,154.12, 12,224.16 and 3,769.32 is: 5,650.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154.12 : 12,224.16 = 3,769.32 : x
  2. Step 2: Convert to fraction form
    8,154.12/12,224.16 = 3,769.32/x
  3. Step 3: Cross multiply
    8,154.12x = 12,224.16 × 3,769.32
  4. Step 4: Simplify right side
    8,154.12x = 46,076,770.77
  5. Step 5: Solve for x
    x = 46,076,770.77/8,154.12
  6. Step 6: Final answer
    x = 5,650.73

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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.