Home / 8,084.30-12,118.36-3,405.44

Finding the Fourth Proportional to 8,084.30, 12,118.36 and 3,405.44

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Solution

The fourth proportional to 8,084.30, 12,118.36 and 3,405.44 is: 5,104.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,084.30 : 12,118.36 = 3,405.44 : x
  2. Step 2: Convert to fraction form
    8,084.30/12,118.36 = 3,405.44/x
  3. Step 3: Cross multiply
    8,084.30x = 12,118.36 × 3,405.44
  4. Step 4: Simplify right side
    8,084.30x = 41,268,347.88
  5. Step 5: Solve for x
    x = 41,268,347.88/8,084.30
  6. Step 6: Final answer
    x = 5,104.75

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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.