Home / 8,181.26-11,290.18-4,455.26

Finding the Fourth Proportional to 8,181.26, 11,290.18 and 4,455.26

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Solution

The fourth proportional to 8,181.26, 11,290.18 and 4,455.26 is: 6,148.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.26 : 11,290.18 = 4,455.26 : x
  2. Step 2: Convert to fraction form
    8,181.26/11,290.18 = 4,455.26/x
  3. Step 3: Cross multiply
    8,181.26x = 11,290.18 × 4,455.26
  4. Step 4: Simplify right side
    8,181.26x = 50,300,687.35
  5. Step 5: Solve for x
    x = 50,300,687.35/8,181.26
  6. Step 6: Final answer
    x = 6,148.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.