Home / 7,918.26-11,877.32-4,219.54

Finding the Fourth Proportional to 7,918.26, 11,877.32 and 4,219.54

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Solution

The fourth proportional to 7,918.26, 11,877.32 and 4,219.54 is: 6,329.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918.26 : 11,877.32 = 4,219.54 : x
  2. Step 2: Convert to fraction form
    7,918.26/11,877.32 = 4,219.54/x
  3. Step 3: Cross multiply
    7,918.26x = 11,877.32 × 4,219.54
  4. Step 4: Simplify right side
    7,918.26x = 50,116,826.83
  5. Step 5: Solve for x
    x = 50,116,826.83/7,918.26
  6. Step 6: Final answer
    x = 6,329.27

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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.