Home / 4,512.51-6,768.31-1,391.67

Finding the Fourth Proportional to 4,512.51, 6,768.31 and 1,391.67

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Solution

The fourth proportional to 4,512.51, 6,768.31 and 1,391.67 is: 2,087.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,512.51 : 6,768.31 = 1,391.67 : x
  2. Step 2: Convert to fraction form
    4,512.51/6,768.31 = 1,391.67/x
  3. Step 3: Cross multiply
    4,512.51x = 6,768.31 × 1,391.67
  4. Step 4: Simplify right side
    4,512.51x = 9,419,240.54
  5. Step 5: Solve for x
    x = 9,419,240.54/4,512.51
  6. Step 6: Final answer
    x = 2,087.36

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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.