Home / 4,631.78-6,949.65-3,072.33

Finding the Fourth Proportional to 4,631.78, 6,949.65 and 3,072.33

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Solution

The fourth proportional to 4,631.78, 6,949.65 and 3,072.33 is: 4,609.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,631.78 : 6,949.65 = 3,072.33 : x
  2. Step 2: Convert to fraction form
    4,631.78/6,949.65 = 3,072.33/x
  3. Step 3: Cross multiply
    4,631.78x = 6,949.65 × 3,072.33
  4. Step 4: Simplify right side
    4,631.78x = 21,351,612.42
  5. Step 5: Solve for x
    x = 21,351,612.42/4,631.78
  6. Step 6: Final answer
    x = 4,609.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.