Home / 4,512.14-6,768.35-1,391.89

Finding the Fourth Proportional to 4,512.14, 6,768.35 and 1,391.89

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Solution

The fourth proportional to 4,512.14, 6,768.35 and 1,391.89 is: 2,087.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,512.14 : 6,768.35 = 1,391.89 : x
  2. Step 2: Convert to fraction form
    4,512.14/6,768.35 = 1,391.89/x
  3. Step 3: Cross multiply
    4,512.14x = 6,768.35 × 1,391.89
  4. Step 4: Simplify right side
    4,512.14x = 9,420,780.02
  5. Step 5: Solve for x
    x = 9,420,780.02/4,512.14
  6. Step 6: Final answer
    x = 2,087.87

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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.