Home / 8,632.73-12,951.84-3,085.96

Finding the Fourth Proportional to 8,632.73, 12,951.84 and 3,085.96

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Solution

The fourth proportional to 8,632.73, 12,951.84 and 3,085.96 is: 4,629.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,632.73 : 12,951.84 = 3,085.96 : x
  2. Step 2: Convert to fraction form
    8,632.73/12,951.84 = 3,085.96/x
  3. Step 3: Cross multiply
    8,632.73x = 12,951.84 × 3,085.96
  4. Step 4: Simplify right side
    8,632.73x = 39,968,779.98
  5. Step 5: Solve for x
    x = 39,968,779.98/8,632.73
  6. Step 6: Final answer
    x = 4,629.91

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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.