Home / 4,205.26-6,307.55-1,085.38

Finding the Fourth Proportional to 4,205.26, 6,307.55 and 1,085.38

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Solution

The fourth proportional to 4,205.26, 6,307.55 and 1,085.38 is: 1,627.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,205.26 : 6,307.55 = 1,085.38 : x
  2. Step 2: Convert to fraction form
    4,205.26/6,307.55 = 1,085.38/x
  3. Step 3: Cross multiply
    4,205.26x = 6,307.55 × 1,085.38
  4. Step 4: Simplify right side
    4,205.26x = 6,846,067.42
  5. Step 5: Solve for x
    x = 6,846,067.42/4,205.26
  6. Step 6: Final answer
    x = 1,627.98

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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.