Home / 8,162.30-12,236.27-3,235.40

Finding the Fourth Proportional to 8,162.30, 12,236.27 and 3,235.40

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Solution

The fourth proportional to 8,162.30, 12,236.27 and 3,235.40 is: 4,850.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,162.30 : 12,236.27 = 3,235.40 : x
  2. Step 2: Convert to fraction form
    8,162.30/12,236.27 = 3,235.40/x
  3. Step 3: Cross multiply
    8,162.30x = 12,236.27 × 3,235.40
  4. Step 4: Simplify right side
    8,162.30x = 39,589,189.28
  5. Step 5: Solve for x
    x = 39,589,189.28/8,162.30
  6. Step 6: Final answer
    x = 4,850.25

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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.