Home / 4,205.27-6,308.60-1,431.66

Finding the Fourth Proportional to 4,205.27, 6,308.60 and 1,431.66

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Solution

The fourth proportional to 4,205.27, 6,308.60 and 1,431.66 is: 2,147.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,205.27 : 6,308.60 = 1,431.66 : x
  2. Step 2: Convert to fraction form
    4,205.27/6,308.60 = 1,431.66/x
  3. Step 3: Cross multiply
    4,205.27x = 6,308.60 × 1,431.66
  4. Step 4: Simplify right side
    4,205.27x = 9,031,770.28
  5. Step 5: Solve for x
    x = 9,031,770.28/4,205.27
  6. Step 6: Final answer
    x = 2,147.73

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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.