Home / 6,923.46-10,383.64-1,992

Finding the Fourth Proportional to 6,923.46, 10,383.64 and 1,992

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Solution

The fourth proportional to 6,923.46, 10,383.64 and 1,992 is: 2,987.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,923.46 : 10,383.64 = 1,992 : x
  2. Step 2: Convert to fraction form
    6,923.46/10,383.64 = 1,992/x
  3. Step 3: Cross multiply
    6,923.46x = 10,383.64 × 1,992
  4. Step 4: Simplify right side
    6,923.46x = 20,684,210.88
  5. Step 5: Solve for x
    x = 20,684,210.88/6,923.46
  6. Step 6: Final answer
    x = 2,987.55

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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.