Home / 6,768.65-9,339.75-3,783.93

Finding the Fourth Proportional to 6,768.65, 9,339.75 and 3,783.93

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Solution

The fourth proportional to 6,768.65, 9,339.75 and 3,783.93 is: 5,221.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,768.65 : 9,339.75 = 3,783.93 : x
  2. Step 2: Convert to fraction form
    6,768.65/9,339.75 = 3,783.93/x
  3. Step 3: Cross multiply
    6,768.65x = 9,339.75 × 3,783.93
  4. Step 4: Simplify right side
    6,768.65x = 35,340,960.22
  5. Step 5: Solve for x
    x = 35,340,960.22/6,768.65
  6. Step 6: Final answer
    x = 5,221.28

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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.