Home / 5,215.22-7,819.67-2,048.87

Finding the Fourth Proportional to 5,215.22, 7,819.67 and 2,048.87

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Solution

The fourth proportional to 5,215.22, 7,819.67 and 2,048.87 is: 3,072.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215.22 : 7,819.67 = 2,048.87 : x
  2. Step 2: Convert to fraction form
    5,215.22/7,819.67 = 2,048.87/x
  3. Step 3: Cross multiply
    5,215.22x = 7,819.67 × 2,048.87
  4. Step 4: Simplify right side
    5,215.22x = 16,021,448.32
  5. Step 5: Solve for x
    x = 16,021,448.32/5,215.22
  6. Step 6: Final answer
    x = 3,072.06

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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.