Home / 8,717.54-13,081.44-3,453.06

Finding the Fourth Proportional to 8,717.54, 13,081.44 and 3,453.06

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Solution

The fourth proportional to 8,717.54, 13,081.44 and 3,453.06 is: 5,181.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.54 : 13,081.44 = 3,453.06 : x
  2. Step 2: Convert to fraction form
    8,717.54/13,081.44 = 3,453.06/x
  3. Step 3: Cross multiply
    8,717.54x = 13,081.44 × 3,453.06
  4. Step 4: Simplify right side
    8,717.54x = 45,170,997.21
  5. Step 5: Solve for x
    x = 45,170,997.21/8,717.54
  6. Step 6: Final answer
    x = 5,181.62

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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.