Home / 5,745.09-8,619.69-2,825.45

Finding the Fourth Proportional to 5,745.09, 8,619.69 and 2,825.45

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Solution

The fourth proportional to 5,745.09, 8,619.69 and 2,825.45 is: 4,239.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,745.09 : 8,619.69 = 2,825.45 : x
  2. Step 2: Convert to fraction form
    5,745.09/8,619.69 = 2,825.45/x
  3. Step 3: Cross multiply
    5,745.09x = 8,619.69 × 2,825.45
  4. Step 4: Simplify right side
    5,745.09x = 24,354,502.93
  5. Step 5: Solve for x
    x = 24,354,502.93/5,745.09
  6. Step 6: Final answer
    x = 4,239.18

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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.