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Finding the Fourth Proportional to 6,485.36, 8,950.43 and 3,796.41

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Solution

The fourth proportional to 6,485.36, 8,950.43 and 3,796.41 is: 5,239.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,485.36 : 8,950.43 = 3,796.41 : x
  2. Step 2: Convert to fraction form
    6,485.36/8,950.43 = 3,796.41/x
  3. Step 3: Cross multiply
    6,485.36x = 8,950.43 × 3,796.41
  4. Step 4: Simplify right side
    6,485.36x = 33,979,530.77
  5. Step 5: Solve for x
    x = 33,979,530.77/6,485.36
  6. Step 6: Final answer
    x = 5,239.42

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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.