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Finding the Fourth Proportional to 6,808.56, 9,395.12 and 3,975.18

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Solution

The fourth proportional to 6,808.56, 9,395.12 and 3,975.18 is: 5,485.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,808.56 : 9,395.12 = 3,975.18 : x
  2. Step 2: Convert to fraction form
    6,808.56/9,395.12 = 3,975.18/x
  3. Step 3: Cross multiply
    6,808.56x = 9,395.12 × 3,975.18
  4. Step 4: Simplify right side
    6,808.56x = 37,347,293.12
  5. Step 5: Solve for x
    x = 37,347,293.12/6,808.56
  6. Step 6: Final answer
    x = 5,485.34

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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.