Home / 5,905.37-8,149.07-3,387.89

Finding the Fourth Proportional to 5,905.37, 8,149.07 and 3,387.89

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Solution

The fourth proportional to 5,905.37, 8,149.07 and 3,387.89 is: 4,675.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.37 : 8,149.07 = 3,387.89 : x
  2. Step 2: Convert to fraction form
    5,905.37/8,149.07 = 3,387.89/x
  3. Step 3: Cross multiply
    5,905.37x = 8,149.07 × 3,387.89
  4. Step 4: Simplify right side
    5,905.37x = 27,608,135.82
  5. Step 5: Solve for x
    x = 27,608,135.82/5,905.37
  6. Step 6: Final answer
    x = 4,675.09

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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.