Home / 8,167.68-12,252.96-3,790.08

Finding the Fourth Proportional to 8,167.68, 12,252.96 and 3,790.08

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Solution

The fourth proportional to 8,167.68, 12,252.96 and 3,790.08 is: 5,685.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167.68 : 12,252.96 = 3,790.08 : x
  2. Step 2: Convert to fraction form
    8,167.68/12,252.96 = 3,790.08/x
  3. Step 3: Cross multiply
    8,167.68x = 12,252.96 × 3,790.08
  4. Step 4: Simplify right side
    8,167.68x = 46,439,698.64
  5. Step 5: Solve for x
    x = 46,439,698.64/8,167.68
  6. Step 6: Final answer
    x = 5,685.79

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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.