Home / 6,794.72-10,195.90-5,309.78

Finding the Fourth Proportional to 6,794.72, 10,195.90 and 5,309.78

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Solution

The fourth proportional to 6,794.72, 10,195.90 and 5,309.78 is: 7,967.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,794.72 : 10,195.90 = 5,309.78 : x
  2. Step 2: Convert to fraction form
    6,794.72/10,195.90 = 5,309.78/x
  3. Step 3: Cross multiply
    6,794.72x = 10,195.90 × 5,309.78
  4. Step 4: Simplify right side
    6,794.72x = 54,137,985.90
  5. Step 5: Solve for x
    x = 54,137,985.90/6,794.72
  6. Step 6: Final answer
    x = 7,967.66

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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.