Home / 4,172.21-6,255.19-2,528.35

Finding the Fourth Proportional to 4,172.21, 6,255.19 and 2,528.35

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Solution

The fourth proportional to 4,172.21, 6,255.19 and 2,528.35 is: 3,790.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.21 : 6,255.19 = 2,528.35 : x
  2. Step 2: Convert to fraction form
    4,172.21/6,255.19 = 2,528.35/x
  3. Step 3: Cross multiply
    4,172.21x = 6,255.19 × 2,528.35
  4. Step 4: Simplify right side
    4,172.21x = 15,815,297.16
  5. Step 5: Solve for x
    x = 15,815,297.16/4,172.21
  6. Step 6: Final answer
    x = 3,790.63

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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.