Home / 7,944.36-11,916.36-2,101.38

Finding the Fourth Proportional to 7,944.36, 11,916.36 and 2,101.38

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Solution

The fourth proportional to 7,944.36, 11,916.36 and 2,101.38 is: 3,152.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,944.36 : 11,916.36 = 2,101.38 : x
  2. Step 2: Convert to fraction form
    7,944.36/11,916.36 = 2,101.38/x
  3. Step 3: Cross multiply
    7,944.36x = 11,916.36 × 2,101.38
  4. Step 4: Simplify right side
    7,944.36x = 25,040,800.58
  5. Step 5: Solve for x
    x = 25,040,800.58/7,944.36
  6. Step 6: Final answer
    x = 3,152.02

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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.