Home / 4,863.38-6,712.67-2,768.72

Finding the Fourth Proportional to 4,863.38, 6,712.67 and 2,768.72

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Solution

The fourth proportional to 4,863.38, 6,712.67 and 2,768.72 is: 3,821.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,863.38 : 6,712.67 = 2,768.72 : x
  2. Step 2: Convert to fraction form
    4,863.38/6,712.67 = 2,768.72/x
  3. Step 3: Cross multiply
    4,863.38x = 6,712.67 × 2,768.72
  4. Step 4: Simplify right side
    4,863.38x = 18,585,477.04
  5. Step 5: Solve for x
    x = 18,585,477.04/4,863.38
  6. Step 6: Final answer
    x = 3,821.52

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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.