Home / 8,201.70-12,306.54-3,520.32

Finding the Fourth Proportional to 8,201.70, 12,306.54 and 3,520.32

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Solution

The fourth proportional to 8,201.70, 12,306.54 and 3,520.32 is: 5,282.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201.70 : 12,306.54 = 3,520.32 : x
  2. Step 2: Convert to fraction form
    8,201.70/12,306.54 = 3,520.32/x
  3. Step 3: Cross multiply
    8,201.70x = 12,306.54 × 3,520.32
  4. Step 4: Simplify right side
    8,201.70x = 43,322,958.89
  5. Step 5: Solve for x
    x = 43,322,958.89/8,201.70
  6. Step 6: Final answer
    x = 5,282.19

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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.