Home / 6,928.22-10,389.96-1,996.53

Finding the Fourth Proportional to 6,928.22, 10,389.96 and 1,996.53

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Solution

The fourth proportional to 6,928.22, 10,389.96 and 1,996.53 is: 2,994.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928.22 : 10,389.96 = 1,996.53 : x
  2. Step 2: Convert to fraction form
    6,928.22/10,389.96 = 1,996.53/x
  3. Step 3: Cross multiply
    6,928.22x = 10,389.96 × 1,996.53
  4. Step 4: Simplify right side
    6,928.22x = 20,743,866.84
  5. Step 5: Solve for x
    x = 20,743,866.84/6,928.22
  6. Step 6: Final answer
    x = 2,994.11

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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.