Home / 5,212.05-7,819.35-1,514.19

Finding the Fourth Proportional to 5,212.05, 7,819.35 and 1,514.19

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Solution

The fourth proportional to 5,212.05, 7,819.35 and 1,514.19 is: 2,271.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.05 : 7,819.35 = 1,514.19 : x
  2. Step 2: Convert to fraction form
    5,212.05/7,819.35 = 1,514.19/x
  3. Step 3: Cross multiply
    5,212.05x = 7,819.35 × 1,514.19
  4. Step 4: Simplify right side
    5,212.05x = 11,839,974.01
  5. Step 5: Solve for x
    x = 11,839,974.01/5,212.05
  6. Step 6: Final answer
    x = 2,271.65

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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.