Home / 8,171.08-12,257.84-3,788.98

Finding the Fourth Proportional to 8,171.08, 12,257.84 and 3,788.98

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Solution

The fourth proportional to 8,171.08, 12,257.84 and 3,788.98 is: 5,684.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171.08 : 12,257.84 = 3,788.98 : x
  2. Step 2: Convert to fraction form
    8,171.08/12,257.84 = 3,788.98/x
  3. Step 3: Cross multiply
    8,171.08x = 12,257.84 × 3,788.98
  4. Step 4: Simplify right side
    8,171.08x = 46,444,710.60
  5. Step 5: Solve for x
    x = 46,444,710.60/8,171.08
  6. Step 6: Final answer
    x = 5,684.04

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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.