Home / 4,584.64-6,876.90-1,121.92

Finding the Fourth Proportional to 4,584.64, 6,876.90 and 1,121.92

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Solution

The fourth proportional to 4,584.64, 6,876.90 and 1,121.92 is: 1,682.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,584.64 : 6,876.90 = 1,121.92 : x
  2. Step 2: Convert to fraction form
    4,584.64/6,876.90 = 1,121.92/x
  3. Step 3: Cross multiply
    4,584.64x = 6,876.90 × 1,121.92
  4. Step 4: Simplify right side
    4,584.64x = 7,715,331.65
  5. Step 5: Solve for x
    x = 7,715,331.65/4,584.64
  6. Step 6: Final answer
    x = 1,682.87

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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.