Home / 7,786.07-10,745.07-4,429.19

Finding the Fourth Proportional to 7,786.07, 10,745.07 and 4,429.19

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Solution

The fourth proportional to 7,786.07, 10,745.07 and 4,429.19 is: 6,112.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,786.07 : 10,745.07 = 4,429.19 : x
  2. Step 2: Convert to fraction form
    7,786.07/10,745.07 = 4,429.19/x
  3. Step 3: Cross multiply
    7,786.07x = 10,745.07 × 4,429.19
  4. Step 4: Simplify right side
    7,786.07x = 47,591,880.72
  5. Step 5: Solve for x
    x = 47,591,880.72/7,786.07
  6. Step 6: Final answer
    x = 6,112.44

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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.