Home / 5,378.23-8,067.20-1,682.20

Finding the Fourth Proportional to 5,378.23, 8,067.20 and 1,682.20

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Solution

The fourth proportional to 5,378.23, 8,067.20 and 1,682.20 is: 2,523.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378.23 : 8,067.20 = 1,682.20 : x
  2. Step 2: Convert to fraction form
    5,378.23/8,067.20 = 1,682.20/x
  3. Step 3: Cross multiply
    5,378.23x = 8,067.20 × 1,682.20
  4. Step 4: Simplify right side
    5,378.23x = 13,570,603.50
  5. Step 5: Solve for x
    x = 13,570,603.50/5,378.23
  6. Step 6: Final answer
    x = 2,523.25

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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.