Home / 4,212.50-6,315.92-2,020.02

Finding the Fourth Proportional to 4,212.50, 6,315.92 and 2,020.02

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Solution

The fourth proportional to 4,212.50, 6,315.92 and 2,020.02 is: 3,028.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.50 : 6,315.92 = 2,020.02 : x
  2. Step 2: Convert to fraction form
    4,212.50/6,315.92 = 2,020.02/x
  3. Step 3: Cross multiply
    4,212.50x = 6,315.92 × 2,020.02
  4. Step 4: Simplify right side
    4,212.50x = 12,758,284.72
  5. Step 5: Solve for x
    x = 12,758,284.72/4,212.50
  6. Step 6: Final answer
    x = 3,028.67

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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.