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Finding the Fourth Proportional to 6,804.68, 10,161.38 and 6,771.87

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Solution

The fourth proportional to 6,804.68, 10,161.38 and 6,771.87 is: 10,112.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,804.68 : 10,161.38 = 6,771.87 : x
  2. Step 2: Convert to fraction form
    6,804.68/10,161.38 = 6,771.87/x
  3. Step 3: Cross multiply
    6,804.68x = 10,161.38 × 6,771.87
  4. Step 4: Simplify right side
    6,804.68x = 68,811,561.31
  5. Step 5: Solve for x
    x = 68,811,561.31/6,804.68
  6. Step 6: Final answer
    x = 10,112.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.