Home / 5,936.38-8,898.36-1,986.64

Finding the Fourth Proportional to 5,936.38, 8,898.36 and 1,986.64

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Solution

The fourth proportional to 5,936.38, 8,898.36 and 1,986.64 is: 2,977.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,936.38 : 8,898.36 = 1,986.64 : x
  2. Step 2: Convert to fraction form
    5,936.38/8,898.36 = 1,986.64/x
  3. Step 3: Cross multiply
    5,936.38x = 8,898.36 × 1,986.64
  4. Step 4: Simplify right side
    5,936.38x = 17,677,837.91
  5. Step 5: Solve for x
    x = 17,677,837.91/5,936.38
  6. Step 6: Final answer
    x = 2,977.88

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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.