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Finding the Fourth Proportional to 6,164.60, 8,504.80 and 3,772.65

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Solution

The fourth proportional to 6,164.60, 8,504.80 and 3,772.65 is: 5,204.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,164.60 : 8,504.80 = 3,772.65 : x
  2. Step 2: Convert to fraction form
    6,164.60/8,504.80 = 3,772.65/x
  3. Step 3: Cross multiply
    6,164.60x = 8,504.80 × 3,772.65
  4. Step 4: Simplify right side
    6,164.60x = 32,085,629.56
  5. Step 5: Solve for x
    x = 32,085,629.56/6,164.60
  6. Step 6: Final answer
    x = 5,204.82

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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.