Home / 6,770.04-9,342.69-3,939.09

Finding the Fourth Proportional to 6,770.04, 9,342.69 and 3,939.09

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Solution

The fourth proportional to 6,770.04, 9,342.69 and 3,939.09 is: 5,435.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,770.04 : 9,342.69 = 3,939.09 : x
  2. Step 2: Convert to fraction form
    6,770.04/9,342.69 = 3,939.09/x
  3. Step 3: Cross multiply
    6,770.04x = 9,342.69 × 3,939.09
  4. Step 4: Simplify right side
    6,770.04x = 36,801,696.75
  5. Step 5: Solve for x
    x = 36,801,696.75/6,770.04
  6. Step 6: Final answer
    x = 5,435.96

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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.