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Finding the Fourth Proportional to 3,966.02, 5,975.42 and 3,591.02

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Solution

The fourth proportional to 3,966.02, 5,975.42 and 3,591.02 is: 5,410.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.02 : 5,975.42 = 3,591.02 : x
  2. Step 2: Convert to fraction form
    3,966.02/5,975.42 = 3,591.02/x
  3. Step 3: Cross multiply
    3,966.02x = 5,975.42 × 3,591.02
  4. Step 4: Simplify right side
    3,966.02x = 21,457,852.73
  5. Step 5: Solve for x
    x = 21,457,852.73/3,966.02
  6. Step 6: Final answer
    x = 5,410.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.