Home / 6,768.11-9,339.95-3,783.94

Finding the Fourth Proportional to 6,768.11, 9,339.95 and 3,783.94

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Solution

The fourth proportional to 6,768.11, 9,339.95 and 3,783.94 is: 5,221.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,768.11 : 9,339.95 = 3,783.94 : x
  2. Step 2: Convert to fraction form
    6,768.11/9,339.95 = 3,783.94/x
  3. Step 3: Cross multiply
    6,768.11x = 9,339.95 × 3,783.94
  4. Step 4: Simplify right side
    6,768.11x = 35,341,796.51
  5. Step 5: Solve for x
    x = 35,341,796.51/6,768.11
  6. Step 6: Final answer
    x = 5,221.82

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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.