Home / 4,286.07-6,427.89-2,205.41

Finding the Fourth Proportional to 4,286.07, 6,427.89 and 2,205.41

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Solution

The fourth proportional to 4,286.07, 6,427.89 and 2,205.41 is: 3,307.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.07 : 6,427.89 = 2,205.41 : x
  2. Step 2: Convert to fraction form
    4,286.07/6,427.89 = 2,205.41/x
  3. Step 3: Cross multiply
    4,286.07x = 6,427.89 × 2,205.41
  4. Step 4: Simplify right side
    4,286.07x = 14,176,100.75
  5. Step 5: Solve for x
    x = 14,176,100.75/4,286.07
  6. Step 6: Final answer
    x = 3,307.48

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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.