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Finding the Fourth Proportional to 6,809.99, 10,213.29 and 1,879.38

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Solution

The fourth proportional to 6,809.99, 10,213.29 and 1,879.38 is: 2,818.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,809.99 : 10,213.29 = 1,879.38 : x
  2. Step 2: Convert to fraction form
    6,809.99/10,213.29 = 1,879.38/x
  3. Step 3: Cross multiply
    6,809.99x = 10,213.29 × 1,879.38
  4. Step 4: Simplify right side
    6,809.99x = 19,194,652.96
  5. Step 5: Solve for x
    x = 19,194,652.96/6,809.99
  6. Step 6: Final answer
    x = 2,818.60

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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.