Home / 7,857.42-11,786.05-2,013.94

Finding the Fourth Proportional to 7,857.42, 11,786.05 and 2,013.94

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Solution

The fourth proportional to 7,857.42, 11,786.05 and 2,013.94 is: 3,020.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,857.42 : 11,786.05 = 2,013.94 : x
  2. Step 2: Convert to fraction form
    7,857.42/11,786.05 = 2,013.94/x
  3. Step 3: Cross multiply
    7,857.42x = 11,786.05 × 2,013.94
  4. Step 4: Simplify right side
    7,857.42x = 23,736,397.54
  5. Step 5: Solve for x
    x = 23,736,397.54/7,857.42
  6. Step 6: Final answer
    x = 3,020.89

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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.