Home / 5,378.56-8,067.36-1,482.64

Finding the Fourth Proportional to 5,378.56, 8,067.36 and 1,482.64

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Solution

The fourth proportional to 5,378.56, 8,067.36 and 1,482.64 is: 2,223.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378.56 : 8,067.36 = 1,482.64 : x
  2. Step 2: Convert to fraction form
    5,378.56/8,067.36 = 1,482.64/x
  3. Step 3: Cross multiply
    5,378.56x = 8,067.36 × 1,482.64
  4. Step 4: Simplify right side
    5,378.56x = 11,960,990.63
  5. Step 5: Solve for x
    x = 11,960,990.63/5,378.56
  6. Step 6: Final answer
    x = 2,223.83

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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.