Home / 6,768.39-10,145.66-3,840.51

Finding the Fourth Proportional to 6,768.39, 10,145.66 and 3,840.51

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Solution

The fourth proportional to 6,768.39, 10,145.66 and 3,840.51 is: 5,756.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,768.39 : 10,145.66 = 3,840.51 : x
  2. Step 2: Convert to fraction form
    6,768.39/10,145.66 = 3,840.51/x
  3. Step 3: Cross multiply
    6,768.39x = 10,145.66 × 3,840.51
  4. Step 4: Simplify right side
    6,768.39x = 38,964,489.48
  5. Step 5: Solve for x
    x = 38,964,489.48/6,768.39
  6. Step 6: Final answer
    x = 5,756.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.