Home / 5,890.82-8,128.94-3,372.95

Finding the Fourth Proportional to 5,890.82, 8,128.94 and 3,372.95

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Solution

The fourth proportional to 5,890.82, 8,128.94 and 3,372.95 is: 4,654.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.82 : 8,128.94 = 3,372.95 : x
  2. Step 2: Convert to fraction form
    5,890.82/8,128.94 = 3,372.95/x
  3. Step 3: Cross multiply
    5,890.82x = 8,128.94 × 3,372.95
  4. Step 4: Simplify right side
    5,890.82x = 27,418,450.66
  5. Step 5: Solve for x
    x = 27,418,450.66/5,890.82
  6. Step 6: Final answer
    x = 4,654.44

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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.