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Finding the Fourth Proportional to 6,473.48, 8,934.22 and 3,678.44

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Solution

The fourth proportional to 6,473.48, 8,934.22 and 3,678.44 is: 5,076.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,473.48 : 8,934.22 = 3,678.44 : x
  2. Step 2: Convert to fraction form
    6,473.48/8,934.22 = 3,678.44/x
  3. Step 3: Cross multiply
    6,473.48x = 8,934.22 × 3,678.44
  4. Step 4: Simplify right side
    6,473.48x = 32,863,992.22
  5. Step 5: Solve for x
    x = 32,863,992.22/6,473.48
  6. Step 6: Final answer
    x = 5,076.71

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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.