Home / 5,205.26-7,811.74-3,822.18

Finding the Fourth Proportional to 5,205.26, 7,811.74 and 3,822.18

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Solution

The fourth proportional to 5,205.26, 7,811.74 and 3,822.18 is: 5,736.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205.26 : 7,811.74 = 3,822.18 : x
  2. Step 2: Convert to fraction form
    5,205.26/7,811.74 = 3,822.18/x
  3. Step 3: Cross multiply
    5,205.26x = 7,811.74 × 3,822.18
  4. Step 4: Simplify right side
    5,205.26x = 29,857,876.39
  5. Step 5: Solve for x
    x = 29,857,876.39/5,205.26
  6. Step 6: Final answer
    x = 5,736.10

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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.