Home / 5,531.82-8,297.79-1,636.30

Finding the Fourth Proportional to 5,531.82, 8,297.79 and 1,636.30

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Solution

The fourth proportional to 5,531.82, 8,297.79 and 1,636.30 is: 2,454.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.82 : 8,297.79 = 1,636.30 : x
  2. Step 2: Convert to fraction form
    5,531.82/8,297.79 = 1,636.30/x
  3. Step 3: Cross multiply
    5,531.82x = 8,297.79 × 1,636.30
  4. Step 4: Simplify right side
    5,531.82x = 13,577,673.78
  5. Step 5: Solve for x
    x = 13,577,673.78/5,531.82
  6. Step 6: Final answer
    x = 2,454.47

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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.