Home / 5,213.44-7,821.06-1,704.28

Finding the Fourth Proportional to 5,213.44, 7,821.06 and 1,704.28

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Solution

The fourth proportional to 5,213.44, 7,821.06 and 1,704.28 is: 2,556.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.44 : 7,821.06 = 1,704.28 : x
  2. Step 2: Convert to fraction form
    5,213.44/7,821.06 = 1,704.28/x
  3. Step 3: Cross multiply
    5,213.44x = 7,821.06 × 1,704.28
  4. Step 4: Simplify right side
    5,213.44x = 13,329,276.14
  5. Step 5: Solve for x
    x = 13,329,276.14/5,213.44
  6. Step 6: Final answer
    x = 2,556.71

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1.5x scale

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.