Home / 6,927.89-10,389.42-1,996.20

Finding the Fourth Proportional to 6,927.89, 10,389.42 and 1,996.20

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Solution

The fourth proportional to 6,927.89, 10,389.42 and 1,996.20 is: 2,993.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,927.89 : 10,389.42 = 1,996.20 : x
  2. Step 2: Convert to fraction form
    6,927.89/10,389.42 = 1,996.20/x
  3. Step 3: Cross multiply
    6,927.89x = 10,389.42 × 1,996.20
  4. Step 4: Simplify right side
    6,927.89x = 20,739,360.20
  5. Step 5: Solve for x
    x = 20,739,360.20/6,927.89
  6. Step 6: Final answer
    x = 2,993.61

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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.