Home / 5,378.28-8,067.60-1,482.72

Finding the Fourth Proportional to 5,378.28, 8,067.60 and 1,482.72

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Solution

The fourth proportional to 5,378.28, 8,067.60 and 1,482.72 is: 2,224.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378.28 : 8,067.60 = 1,482.72 : x
  2. Step 2: Convert to fraction form
    5,378.28/8,067.60 = 1,482.72/x
  3. Step 3: Cross multiply
    5,378.28x = 8,067.60 × 1,482.72
  4. Step 4: Simplify right side
    5,378.28x = 11,961,991.87
  5. Step 5: Solve for x
    x = 11,961,991.87/5,378.28
  6. Step 6: Final answer
    x = 2,224.13

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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.