Home / 4,205.26-6,307.90-1,284.02

Finding the Fourth Proportional to 4,205.26, 6,307.90 and 1,284.02

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Solution

The fourth proportional to 4,205.26, 6,307.90 and 1,284.02 is: 1,926.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,205.26 : 6,307.90 = 1,284.02 : x
  2. Step 2: Convert to fraction form
    4,205.26/6,307.90 = 1,284.02/x
  3. Step 3: Cross multiply
    4,205.26x = 6,307.90 × 1,284.02
  4. Step 4: Simplify right side
    4,205.26x = 8,099,469.76
  5. Step 5: Solve for x
    x = 8,099,469.76/4,205.26
  6. Step 6: Final answer
    x = 1,926.03

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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.