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Finding the Fourth Proportional to 6,144.60, 8,476.47 and 3,902.82

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Solution

The fourth proportional to 6,144.60, 8,476.47 and 3,902.82 is: 5,383.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,144.60 : 8,476.47 = 3,902.82 : x
  2. Step 2: Convert to fraction form
    6,144.60/8,476.47 = 3,902.82/x
  3. Step 3: Cross multiply
    6,144.60x = 8,476.47 × 3,902.82
  4. Step 4: Simplify right side
    6,144.60x = 33,082,136.65
  5. Step 5: Solve for x
    x = 33,082,136.65/6,144.60
  6. Step 6: Final answer
    x = 5,383.94

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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.