Home / 4,820.96-7,231.44-1,358.21

Finding the Fourth Proportional to 4,820.96, 7,231.44 and 1,358.21

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Solution

The fourth proportional to 4,820.96, 7,231.44 and 1,358.21 is: 2,037.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,820.96 : 7,231.44 = 1,358.21 : x
  2. Step 2: Convert to fraction form
    4,820.96/7,231.44 = 1,358.21/x
  3. Step 3: Cross multiply
    4,820.96x = 7,231.44 × 1,358.21
  4. Step 4: Simplify right side
    4,820.96x = 9,821,777.97
  5. Step 5: Solve for x
    x = 9,821,777.97/4,820.96
  6. Step 6: Final answer
    x = 2,037.31

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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.