Home / 8,201.89-11,318.61-4,665.82

Finding the Fourth Proportional to 8,201.89, 11,318.61 and 4,665.82

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Solution

The fourth proportional to 8,201.89, 11,318.61 and 4,665.82 is: 6,438.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201.89 : 11,318.61 = 4,665.82 : x
  2. Step 2: Convert to fraction form
    8,201.89/11,318.61 = 4,665.82/x
  3. Step 3: Cross multiply
    8,201.89x = 11,318.61 × 4,665.82
  4. Step 4: Simplify right side
    8,201.89x = 52,810,596.91
  5. Step 5: Solve for x
    x = 52,810,596.91/8,201.89
  6. Step 6: Final answer
    x = 6,438.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.