Home / 8,179.25-11,288.58-4,820.99

Finding the Fourth Proportional to 8,179.25, 11,288.58 and 4,820.99

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Solution

The fourth proportional to 8,179.25, 11,288.58 and 4,820.99 is: 6,653.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179.25 : 11,288.58 = 4,820.99 : x
  2. Step 2: Convert to fraction form
    8,179.25/11,288.58 = 4,820.99/x
  3. Step 3: Cross multiply
    8,179.25x = 11,288.58 × 4,820.99
  4. Step 4: Simplify right side
    8,179.25x = 54,422,131.29
  5. Step 5: Solve for x
    x = 54,422,131.29/8,179.25
  6. Step 6: Final answer
    x = 6,653.68

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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.