Home / 8,188.23-12,284.94-2,923.12

Finding the Fourth Proportional to 8,188.23, 12,284.94 and 2,923.12

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Solution

The fourth proportional to 8,188.23, 12,284.94 and 2,923.12 is: 4,385.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188.23 : 12,284.94 = 2,923.12 : x
  2. Step 2: Convert to fraction form
    8,188.23/12,284.94 = 2,923.12/x
  3. Step 3: Cross multiply
    8,188.23x = 12,284.94 × 2,923.12
  4. Step 4: Simplify right side
    8,188.23x = 35,910,398.24
  5. Step 5: Solve for x
    x = 35,910,398.24/8,188.23
  6. Step 6: Final answer
    x = 4,385.61

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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.