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Finding the Fourth Proportional to 6,321.94, 9,482.91 and 3,512.56

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Solution

The fourth proportional to 6,321.94, 9,482.91 and 3,512.56 is: 5,268.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321.94 : 9,482.91 = 3,512.56 : x
  2. Step 2: Convert to fraction form
    6,321.94/9,482.91 = 3,512.56/x
  3. Step 3: Cross multiply
    6,321.94x = 9,482.91 × 3,512.56
  4. Step 4: Simplify right side
    6,321.94x = 33,309,266.64
  5. Step 5: Solve for x
    x = 33,309,266.64/6,321.94
  6. Step 6: Final answer
    x = 5,268.84

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1.5x scale

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.