Home / 8,211.93-12,310.60-3,823.35

Finding the Fourth Proportional to 8,211.93, 12,310.60 and 3,823.35

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Solution

The fourth proportional to 8,211.93, 12,310.60 and 3,823.35 is: 5,731.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211.93 : 12,310.60 = 3,823.35 : x
  2. Step 2: Convert to fraction form
    8,211.93/12,310.60 = 3,823.35/x
  3. Step 3: Cross multiply
    8,211.93x = 12,310.60 × 3,823.35
  4. Step 4: Simplify right side
    8,211.93x = 47,067,732.51
  5. Step 5: Solve for x
    x = 47,067,732.51/8,211.93
  6. Step 6: Final answer
    x = 5,731.63

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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.