Home / 4,479.06-6,718.59-2,172.18

Finding the Fourth Proportional to 4,479.06, 6,718.59 and 2,172.18

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Solution

The fourth proportional to 4,479.06, 6,718.59 and 2,172.18 is: 3,258.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.06 : 6,718.59 = 2,172.18 : x
  2. Step 2: Convert to fraction form
    4,479.06/6,718.59 = 2,172.18/x
  3. Step 3: Cross multiply
    4,479.06x = 6,718.59 × 2,172.18
  4. Step 4: Simplify right side
    4,479.06x = 14,593,975.97
  5. Step 5: Solve for x
    x = 14,593,975.97/4,479.06
  6. Step 6: Final answer
    x = 3,258.27

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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.