Home / 5,228.67-7,843.37-2,108.70

Finding the Fourth Proportional to 5,228.67, 7,843.37 and 2,108.70

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Solution

The fourth proportional to 5,228.67, 7,843.37 and 2,108.70 is: 3,163.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228.67 : 7,843.37 = 2,108.70 : x
  2. Step 2: Convert to fraction form
    5,228.67/7,843.37 = 2,108.70/x
  3. Step 3: Cross multiply
    5,228.67x = 7,843.37 × 2,108.70
  4. Step 4: Simplify right side
    5,228.67x = 16,539,303.78
  5. Step 5: Solve for x
    x = 16,539,303.78/5,228.67
  6. Step 6: Final answer
    x = 3,163.19

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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.