Home / 6,286.36-8,672.79-3,768.52

Finding the Fourth Proportional to 6,286.36, 8,672.79 and 3,768.52

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Solution

The fourth proportional to 6,286.36, 8,672.79 and 3,768.52 is: 5,199.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,286.36 : 8,672.79 = 3,768.52 : x
  2. Step 2: Convert to fraction form
    6,286.36/8,672.79 = 3,768.52/x
  3. Step 3: Cross multiply
    6,286.36x = 8,672.79 × 3,768.52
  4. Step 4: Simplify right side
    6,286.36x = 32,683,582.57
  5. Step 5: Solve for x
    x = 32,683,582.57/6,286.36
  6. Step 6: Final answer
    x = 5,199.13

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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.