Home / 7,923.81-11,889.82-4,028.22

Finding the Fourth Proportional to 7,923.81, 11,889.82 and 4,028.22

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Solution

The fourth proportional to 7,923.81, 11,889.82 and 4,028.22 is: 6,044.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.81 : 11,889.82 = 4,028.22 : x
  2. Step 2: Convert to fraction form
    7,923.81/11,889.82 = 4,028.22/x
  3. Step 3: Cross multiply
    7,923.81x = 11,889.82 × 4,028.22
  4. Step 4: Simplify right side
    7,923.81x = 47,894,810.72
  5. Step 5: Solve for x
    x = 47,894,810.72/7,923.81
  6. Step 6: Final answer
    x = 6,044.42

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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.