Home / 6,768.20-9,340.32-3,784.16

Finding the Fourth Proportional to 6,768.20, 9,340.32 and 3,784.16

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Solution

The fourth proportional to 6,768.20, 9,340.32 and 3,784.16 is: 5,222.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,768.20 : 9,340.32 = 3,784.16 : x
  2. Step 2: Convert to fraction form
    6,768.20/9,340.32 = 3,784.16/x
  3. Step 3: Cross multiply
    6,768.20x = 9,340.32 × 3,784.16
  4. Step 4: Simplify right side
    6,768.20x = 35,345,218.63
  5. Step 5: Solve for x
    x = 35,345,218.63/6,768.20
  6. Step 6: Final answer
    x = 5,222.25

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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.