Home / 8,201.32-12,302.69-3,521.54

Finding the Fourth Proportional to 8,201.32, 12,302.69 and 3,521.54

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Solution

The fourth proportional to 8,201.32, 12,302.69 and 3,521.54 is: 5,282.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201.32 : 12,302.69 = 3,521.54 : x
  2. Step 2: Convert to fraction form
    8,201.32/12,302.69 = 3,521.54/x
  3. Step 3: Cross multiply
    8,201.32x = 12,302.69 × 3,521.54
  4. Step 4: Simplify right side
    8,201.32x = 43,324,428.09
  5. Step 5: Solve for x
    x = 43,324,428.09/8,201.32
  6. Step 6: Final answer
    x = 5,282.62

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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.