Home / 8,285.46-12,431.60-3,353.82

Finding the Fourth Proportional to 8,285.46, 12,431.60 and 3,353.82

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Solution

The fourth proportional to 8,285.46, 12,431.60 and 3,353.82 is: 5,032.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,285.46 : 12,431.60 = 3,353.82 : x
  2. Step 2: Convert to fraction form
    8,285.46/12,431.60 = 3,353.82/x
  3. Step 3: Cross multiply
    8,285.46x = 12,431.60 × 3,353.82
  4. Step 4: Simplify right side
    8,285.46x = 41,693,297.90
  5. Step 5: Solve for x
    x = 41,693,297.90/8,285.46
  6. Step 6: Final answer
    x = 5,032.11

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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.