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Finding the Fourth Proportional to 6,783.69, 9,361.85 and 3,799.35

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Solution

The fourth proportional to 6,783.69, 9,361.85 and 3,799.35 is: 5,243.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,783.69 : 9,361.85 = 3,799.35 : x
  2. Step 2: Convert to fraction form
    6,783.69/9,361.85 = 3,799.35/x
  3. Step 3: Cross multiply
    6,783.69x = 9,361.85 × 3,799.35
  4. Step 4: Simplify right side
    6,783.69x = 35,568,925.80
  5. Step 5: Solve for x
    x = 35,568,925.80/6,783.69
  6. Step 6: Final answer
    x = 5,243.30

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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.