Home / 8,149.32-12,226.08-3,769.92

Finding the Fourth Proportional to 8,149.32, 12,226.08 and 3,769.92

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Solution

The fourth proportional to 8,149.32, 12,226.08 and 3,769.92 is: 5,655.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.32 : 12,226.08 = 3,769.92 : x
  2. Step 2: Convert to fraction form
    8,149.32/12,226.08 = 3,769.92/x
  3. Step 3: Cross multiply
    8,149.32x = 12,226.08 × 3,769.92
  4. Step 4: Simplify right side
    8,149.32x = 46,091,343.51
  5. Step 5: Solve for x
    x = 46,091,343.51/8,149.32
  6. Step 6: Final answer
    x = 5,655.85

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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.