Home / 8,049.78-11,112.49-5,365.44

Finding the Fourth Proportional to 8,049.78, 11,112.49 and 5,365.44

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Solution

The fourth proportional to 8,049.78, 11,112.49 and 5,365.44 is: 7,406.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,049.78 : 11,112.49 = 5,365.44 : x
  2. Step 2: Convert to fraction form
    8,049.78/11,112.49 = 5,365.44/x
  3. Step 3: Cross multiply
    8,049.78x = 11,112.49 × 5,365.44
  4. Step 4: Simplify right side
    8,049.78x = 59,623,405.05
  5. Step 5: Solve for x
    x = 59,623,405.05/8,049.78
  6. Step 6: Final answer
    x = 7,406.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.