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Finding the Fourth Proportional to 6,713.78, 10,052.19 and 5,065.32

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Solution

The fourth proportional to 6,713.78, 10,052.19 and 5,065.32 is: 7,584.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,713.78 : 10,052.19 = 5,065.32 : x
  2. Step 2: Convert to fraction form
    6,713.78/10,052.19 = 5,065.32/x
  3. Step 3: Cross multiply
    6,713.78x = 10,052.19 × 5,065.32
  4. Step 4: Simplify right side
    6,713.78x = 50,917,559.05
  5. Step 5: Solve for x
    x = 50,917,559.05/6,713.78
  6. Step 6: Final answer
    x = 7,584.04

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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.