Home / 7,872.92-11,804.28-4,176.89

Finding the Fourth Proportional to 7,872.92, 11,804.28 and 4,176.89

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Solution

The fourth proportional to 7,872.92, 11,804.28 and 4,176.89 is: 6,262.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,872.92 : 11,804.28 = 4,176.89 : x
  2. Step 2: Convert to fraction form
    7,872.92/11,804.28 = 4,176.89/x
  3. Step 3: Cross multiply
    7,872.92x = 11,804.28 × 4,176.89
  4. Step 4: Simplify right side
    7,872.92x = 49,305,120.07
  5. Step 5: Solve for x
    x = 49,305,120.07/7,872.92
  6. Step 6: Final answer
    x = 6,262.63

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1.5x scale

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.