Home / 5,212.44-7,819.56-1,703.28

Finding the Fourth Proportional to 5,212.44, 7,819.56 and 1,703.28

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Solution

The fourth proportional to 5,212.44, 7,819.56 and 1,703.28 is: 2,555.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.44 : 7,819.56 = 1,703.28 : x
  2. Step 2: Convert to fraction form
    5,212.44/7,819.56 = 1,703.28/x
  3. Step 3: Cross multiply
    5,212.44x = 7,819.56 × 1,703.28
  4. Step 4: Simplify right side
    5,212.44x = 13,318,900.16
  5. Step 5: Solve for x
    x = 13,318,900.16/5,212.44
  6. Step 6: Final answer
    x = 2,555.21

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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.