Home / 6,786.42-9,364.44-3,801.57

Finding the Fourth Proportional to 6,786.42, 9,364.44 and 3,801.57

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Solution

The fourth proportional to 6,786.42, 9,364.44 and 3,801.57 is: 5,245.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,786.42 : 9,364.44 = 3,801.57 : x
  2. Step 2: Convert to fraction form
    6,786.42/9,364.44 = 3,801.57/x
  3. Step 3: Cross multiply
    6,786.42x = 9,364.44 × 3,801.57
  4. Step 4: Simplify right side
    6,786.42x = 35,599,574.17
  5. Step 5: Solve for x
    x = 35,599,574.17/6,786.42
  6. Step 6: Final answer
    x = 5,245.71

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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.