Home / 6,771.04-9,344.06-3,940.09

Finding the Fourth Proportional to 6,771.04, 9,344.06 and 3,940.09

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Solution

The fourth proportional to 6,771.04, 9,344.06 and 3,940.09 is: 5,437.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,771.04 : 9,344.06 = 3,940.09 : x
  2. Step 2: Convert to fraction form
    6,771.04/9,344.06 = 3,940.09/x
  3. Step 3: Cross multiply
    6,771.04x = 9,344.06 × 3,940.09
  4. Step 4: Simplify right side
    6,771.04x = 36,816,437.37
  5. Step 5: Solve for x
    x = 36,816,437.37/6,771.04
  6. Step 6: Final answer
    x = 5,437.34

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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.