Home / 6,982.80-10,479.44-3,696.60

Finding the Fourth Proportional to 6,982.80, 10,479.44 and 3,696.60

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Solution

The fourth proportional to 6,982.80, 10,479.44 and 3,696.60 is: 5,547.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,982.80 : 10,479.44 = 3,696.60 : x
  2. Step 2: Convert to fraction form
    6,982.80/10,479.44 = 3,696.60/x
  3. Step 3: Cross multiply
    6,982.80x = 10,479.44 × 3,696.60
  4. Step 4: Simplify right side
    6,982.80x = 38,738,297.90
  5. Step 5: Solve for x
    x = 38,738,297.90/6,982.80
  6. Step 6: Final answer
    x = 5,547.67

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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.