Home / 6,156.70-9,236.40-1,996.90

Finding the Fourth Proportional to 6,156.70, 9,236.40 and 1,996.90

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Solution

The fourth proportional to 6,156.70, 9,236.40 and 1,996.90 is: 2,995.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,156.70 : 9,236.40 = 1,996.90 : x
  2. Step 2: Convert to fraction form
    6,156.70/9,236.40 = 1,996.90/x
  3. Step 3: Cross multiply
    6,156.70x = 9,236.40 × 1,996.90
  4. Step 4: Simplify right side
    6,156.70x = 18,444,167.16
  5. Step 5: Solve for x
    x = 18,444,167.16/6,156.70
  6. Step 6: Final answer
    x = 2,995.79

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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.