Home / 4,584.75-6,878.30-2,121.35

Finding the Fourth Proportional to 4,584.75, 6,878.30 and 2,121.35

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Solution

The fourth proportional to 4,584.75, 6,878.30 and 2,121.35 is: 3,182.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,584.75 : 6,878.30 = 2,121.35 : x
  2. Step 2: Convert to fraction form
    4,584.75/6,878.30 = 2,121.35/x
  3. Step 3: Cross multiply
    4,584.75x = 6,878.30 × 2,121.35
  4. Step 4: Simplify right side
    4,584.75x = 14,591,236.71
  5. Step 5: Solve for x
    x = 14,591,236.71/4,584.75
  6. Step 6: Final answer
    x = 3,182.56

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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.