Home / 8,104.75-12,146.53-4,152.65

Finding the Fourth Proportional to 8,104.75, 12,146.53 and 4,152.65

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Solution

The fourth proportional to 8,104.75, 12,146.53 and 4,152.65 is: 6,223.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104.75 : 12,146.53 = 4,152.65 : x
  2. Step 2: Convert to fraction form
    8,104.75/12,146.53 = 4,152.65/x
  3. Step 3: Cross multiply
    8,104.75x = 12,146.53 × 4,152.65
  4. Step 4: Simplify right side
    8,104.75x = 50,440,329.44
  5. Step 5: Solve for x
    x = 50,440,329.44/8,104.75
  6. Step 6: Final answer
    x = 6,223.55

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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.