Home / 5,378.37-8,067.93-1,429.59

Finding the Fourth Proportional to 5,378.37, 8,067.93 and 1,429.59

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Solution

The fourth proportional to 5,378.37, 8,067.93 and 1,429.59 is: 2,144.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378.37 : 8,067.93 = 1,429.59 : x
  2. Step 2: Convert to fraction form
    5,378.37/8,067.93 = 1,429.59/x
  3. Step 3: Cross multiply
    5,378.37x = 8,067.93 × 1,429.59
  4. Step 4: Simplify right side
    5,378.37x = 11,533,832.05
  5. Step 5: Solve for x
    x = 11,533,832.05/5,378.37
  6. Step 6: Final answer
    x = 2,144.48

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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.