Home / 4,940.34-6,812.56-4,234.64

Finding the Fourth Proportional to 4,940.34, 6,812.56 and 4,234.64

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Solution

The fourth proportional to 4,940.34, 6,812.56 and 4,234.64 is: 5,839.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,940.34 : 6,812.56 = 4,234.64 : x
  2. Step 2: Convert to fraction form
    4,940.34/6,812.56 = 4,234.64/x
  3. Step 3: Cross multiply
    4,940.34x = 6,812.56 × 4,234.64
  4. Step 4: Simplify right side
    4,940.34x = 28,848,739.08
  5. Step 5: Solve for x
    x = 28,848,739.08/4,940.34
  6. Step 6: Final answer
    x = 5,839.42

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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.