Home / 5,321.44-7,345.36-3,083.84

Finding the Fourth Proportional to 5,321.44, 7,345.36 and 3,083.84

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Solution

The fourth proportional to 5,321.44, 7,345.36 and 3,083.84 is: 4,256.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321.44 : 7,345.36 = 3,083.84 : x
  2. Step 2: Convert to fraction form
    5,321.44/7,345.36 = 3,083.84/x
  3. Step 3: Cross multiply
    5,321.44x = 7,345.36 × 3,083.84
  4. Step 4: Simplify right side
    5,321.44x = 22,651,914.98
  5. Step 5: Solve for x
    x = 22,651,914.98/5,321.44
  6. Step 6: Final answer
    x = 4,256.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.