Home / 9,243.49-13,858.32-2,999.78

Finding the Fourth Proportional to 9,243.49, 13,858.32 and 2,999.78

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Solution

The fourth proportional to 9,243.49, 13,858.32 and 2,999.78 is: 4,497.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,243.49 : 13,858.32 = 2,999.78 : x
  2. Step 2: Convert to fraction form
    9,243.49/13,858.32 = 2,999.78/x
  3. Step 3: Cross multiply
    9,243.49x = 13,858.32 × 2,999.78
  4. Step 4: Simplify right side
    9,243.49x = 41,571,879.53
  5. Step 5: Solve for x
    x = 41,571,879.53/9,243.49
  6. Step 6: Final answer
    x = 4,497.42

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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.