Home / 5,821-8,032.82-3,168.35

Finding the Fourth Proportional to 5,821, 8,032.82 and 3,168.35

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Solution

The fourth proportional to 5,821, 8,032.82 and 3,168.35 is: 4,372.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,821 : 8,032.82 = 3,168.35 : x
  2. Step 2: Convert to fraction form
    5,821/8,032.82 = 3,168.35/x
  3. Step 3: Cross multiply
    5,821x = 8,032.82 × 3,168.35
  4. Step 4: Simplify right side
    5,821x = 25,450,785.25
  5. Step 5: Solve for x
    x = 25,450,785.25/5,821
  6. Step 6: Final answer
    x = 4,372.24

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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.