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Finding the Fourth Proportional to 6,794.65, 10,191.29 and 1,864.78

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Solution

The fourth proportional to 6,794.65, 10,191.29 and 1,864.78 is: 2,796.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,794.65 : 10,191.29 = 1,864.78 : x
  2. Step 2: Convert to fraction form
    6,794.65/10,191.29 = 1,864.78/x
  3. Step 3: Cross multiply
    6,794.65x = 10,191.29 × 1,864.78
  4. Step 4: Simplify right side
    6,794.65x = 19,004,504.44
  5. Step 5: Solve for x
    x = 19,004,504.44/6,794.65
  6. Step 6: Final answer
    x = 2,796.98

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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.