Home / 9,085.62-13,618.44-5,181.42

Finding the Fourth Proportional to 9,085.62, 13,618.44 and 5,181.42

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Solution

The fourth proportional to 9,085.62, 13,618.44 and 5,181.42 is: 7,766.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,085.62 : 13,618.44 = 5,181.42 : x
  2. Step 2: Convert to fraction form
    9,085.62/13,618.44 = 5,181.42/x
  3. Step 3: Cross multiply
    9,085.62x = 13,618.44 × 5,181.42
  4. Step 4: Simplify right side
    9,085.62x = 70,562,857.38
  5. Step 5: Solve for x
    x = 70,562,857.38/9,085.62
  6. Step 6: Final answer
    x = 7,766.43

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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.