Home / 6,809.21-9,396.70-3,824.96

Finding the Fourth Proportional to 6,809.21, 9,396.70 and 3,824.96

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Solution

The fourth proportional to 6,809.21, 9,396.70 and 3,824.96 is: 5,278.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,809.21 : 9,396.70 = 3,824.96 : x
  2. Step 2: Convert to fraction form
    6,809.21/9,396.70 = 3,824.96/x
  3. Step 3: Cross multiply
    6,809.21x = 9,396.70 × 3,824.96
  4. Step 4: Simplify right side
    6,809.21x = 35,942,015.56
  5. Step 5: Solve for x
    x = 35,942,015.56/6,809.21
  6. Step 6: Final answer
    x = 5,278.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.