Home / 5,039.78-7,556.94-3,866.87

Finding the Fourth Proportional to 5,039.78, 7,556.94 and 3,866.87

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Solution

The fourth proportional to 5,039.78, 7,556.94 and 3,866.87 is: 5,798.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,039.78 : 7,556.94 = 3,866.87 : x
  2. Step 2: Convert to fraction form
    5,039.78/7,556.94 = 3,866.87/x
  3. Step 3: Cross multiply
    5,039.78x = 7,556.94 × 3,866.87
  4. Step 4: Simplify right side
    5,039.78x = 29,221,723.47
  5. Step 5: Solve for x
    x = 29,221,723.47/5,039.78
  6. Step 6: Final answer
    x = 5,798.22

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1.5x scale

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.