Home / 5,482.26-8,223.40-1,378.26

Finding the Fourth Proportional to 5,482.26, 8,223.40 and 1,378.26

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Solution

The fourth proportional to 5,482.26, 8,223.40 and 1,378.26 is: 2,067.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,482.26 : 8,223.40 = 1,378.26 : x
  2. Step 2: Convert to fraction form
    5,482.26/8,223.40 = 1,378.26/x
  3. Step 3: Cross multiply
    5,482.26x = 8,223.40 × 1,378.26
  4. Step 4: Simplify right side
    5,482.26x = 11,333,983.28
  5. Step 5: Solve for x
    x = 11,333,983.28/5,482.26
  6. Step 6: Final answer
    x = 2,067.39

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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.