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Finding the Fourth Proportional to 6,852.07, 10,278.01 and 3,928.29

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Solution

The fourth proportional to 6,852.07, 10,278.01 and 3,928.29 is: 5,892.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,852.07 : 10,278.01 = 3,928.29 : x
  2. Step 2: Convert to fraction form
    6,852.07/10,278.01 = 3,928.29/x
  3. Step 3: Cross multiply
    6,852.07x = 10,278.01 × 3,928.29
  4. Step 4: Simplify right side
    6,852.07x = 40,375,003.90
  5. Step 5: Solve for x
    x = 40,375,003.90/6,852.07
  6. Step 6: Final answer
    x = 5,892.38

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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.