Home / 7,042.38-10,556.57-3,923.81

Finding the Fourth Proportional to 7,042.38, 10,556.57 and 3,923.81

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Solution

The fourth proportional to 7,042.38, 10,556.57 and 3,923.81 is: 5,881.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042.38 : 10,556.57 = 3,923.81 : x
  2. Step 2: Convert to fraction form
    7,042.38/10,556.57 = 3,923.81/x
  3. Step 3: Cross multiply
    7,042.38x = 10,556.57 × 3,923.81
  4. Step 4: Simplify right side
    7,042.38x = 41,421,974.93
  5. Step 5: Solve for x
    x = 41,421,974.93/7,042.38
  6. Step 6: Final answer
    x = 5,881.81

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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.