Home / 7,119.43-10,676.01-3,786.95

Finding the Fourth Proportional to 7,119.43, 10,676.01 and 3,786.95

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Solution

The fourth proportional to 7,119.43, 10,676.01 and 3,786.95 is: 5,678.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119.43 : 10,676.01 = 3,786.95 : x
  2. Step 2: Convert to fraction form
    7,119.43/10,676.01 = 3,786.95/x
  3. Step 3: Cross multiply
    7,119.43x = 10,676.01 × 3,786.95
  4. Step 4: Simplify right side
    7,119.43x = 40,429,516.07
  5. Step 5: Solve for x
    x = 40,429,516.07/7,119.43
  6. Step 6: Final answer
    x = 5,678.76

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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.