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Finding the Fourth Proportional to 6,751.86, 9,318.02 and 3,768.27

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Solution

The fourth proportional to 6,751.86, 9,318.02 and 3,768.27 is: 5,200.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,751.86 : 9,318.02 = 3,768.27 : x
  2. Step 2: Convert to fraction form
    6,751.86/9,318.02 = 3,768.27/x
  3. Step 3: Cross multiply
    6,751.86x = 9,318.02 × 3,768.27
  4. Step 4: Simplify right side
    6,751.86x = 35,112,815.23
  5. Step 5: Solve for x
    x = 35,112,815.23/6,751.86
  6. Step 6: Final answer
    x = 5,200.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.