Home / 6,905.42-10,351.03-3,937.79

Finding the Fourth Proportional to 6,905.42, 10,351.03 and 3,937.79

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Solution

The fourth proportional to 6,905.42, 10,351.03 and 3,937.79 is: 5,902.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,905.42 : 10,351.03 = 3,937.79 : x
  2. Step 2: Convert to fraction form
    6,905.42/10,351.03 = 3,937.79/x
  3. Step 3: Cross multiply
    6,905.42x = 10,351.03 × 3,937.79
  4. Step 4: Simplify right side
    6,905.42x = 40,760,198.46
  5. Step 5: Solve for x
    x = 40,760,198.46/6,905.42
  6. Step 6: Final answer
    x = 5,902.64

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1.5x scale

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.