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Finding the Fourth Proportional to 6,797.12, 9,380.06 and 3,966.48

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Solution

The fourth proportional to 6,797.12, 9,380.06 and 3,966.48 is: 5,473.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,797.12 : 9,380.06 = 3,966.48 : x
  2. Step 2: Convert to fraction form
    6,797.12/9,380.06 = 3,966.48/x
  3. Step 3: Cross multiply
    6,797.12x = 9,380.06 × 3,966.48
  4. Step 4: Simplify right side
    6,797.12x = 37,205,820.39
  5. Step 5: Solve for x
    x = 37,205,820.39/6,797.12
  6. Step 6: Final answer
    x = 5,473.76

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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.