Home / 8,181.29-11,290.62-4,826.07

Finding the Fourth Proportional to 8,181.29, 11,290.62 and 4,826.07

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Solution

The fourth proportional to 8,181.29, 11,290.62 and 4,826.07 is: 6,660.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.29 : 11,290.62 = 4,826.07 : x
  2. Step 2: Convert to fraction form
    8,181.29/11,290.62 = 4,826.07/x
  3. Step 3: Cross multiply
    8,181.29x = 11,290.62 × 4,826.07
  4. Step 4: Simplify right side
    8,181.29x = 54,489,340.56
  5. Step 5: Solve for x
    x = 54,489,340.56/8,181.29
  6. Step 6: Final answer
    x = 6,660.24

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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.