Home / 5,815.09-8,028.59-3,664.74

Finding the Fourth Proportional to 5,815.09, 8,028.59 and 3,664.74

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Solution

The fourth proportional to 5,815.09, 8,028.59 and 3,664.74 is: 5,059.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.09 : 8,028.59 = 3,664.74 : x
  2. Step 2: Convert to fraction form
    5,815.09/8,028.59 = 3,664.74/x
  3. Step 3: Cross multiply
    5,815.09x = 8,028.59 × 3,664.74
  4. Step 4: Simplify right side
    5,815.09x = 29,422,694.92
  5. Step 5: Solve for x
    x = 29,422,694.92/5,815.09
  6. Step 6: Final answer
    x = 5,059.71

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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.