Home / 6,929.58-10,393.11-1,998

Finding the Fourth Proportional to 6,929.58, 10,393.11 and 1,998

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Solution

The fourth proportional to 6,929.58, 10,393.11 and 1,998 is: 2,996.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,929.58 : 10,393.11 = 1,998 : x
  2. Step 2: Convert to fraction form
    6,929.58/10,393.11 = 1,998/x
  3. Step 3: Cross multiply
    6,929.58x = 10,393.11 × 1,998
  4. Step 4: Simplify right side
    6,929.58x = 20,765,433.78
  5. Step 5: Solve for x
    x = 20,765,433.78/6,929.58
  6. Step 6: Final answer
    x = 2,996.64

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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.