Home / 6,823-9,415.60-3,798.08

Finding the Fourth Proportional to 6,823, 9,415.60 and 3,798.08

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Solution

The fourth proportional to 6,823, 9,415.60 and 3,798.08 is: 5,241.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,823 : 9,415.60 = 3,798.08 : x
  2. Step 2: Convert to fraction form
    6,823/9,415.60 = 3,798.08/x
  3. Step 3: Cross multiply
    6,823x = 9,415.60 × 3,798.08
  4. Step 4: Simplify right side
    6,823x = 35,761,202.05
  5. Step 5: Solve for x
    x = 35,761,202.05/6,823
  6. Step 6: Final answer
    x = 5,241.27

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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.