Home / 4,584.50-6,876.81-1,121.75

Finding the Fourth Proportional to 4,584.50, 6,876.81 and 1,121.75

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Solution

The fourth proportional to 4,584.50, 6,876.81 and 1,121.75 is: 1,682.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,584.50 : 6,876.81 = 1,121.75 : x
  2. Step 2: Convert to fraction form
    4,584.50/6,876.81 = 1,121.75/x
  3. Step 3: Cross multiply
    4,584.50x = 6,876.81 × 1,121.75
  4. Step 4: Simplify right side
    4,584.50x = 7,714,061.62
  5. Step 5: Solve for x
    x = 7,714,061.62/4,584.50
  6. Step 6: Final answer
    x = 1,682.64

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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.