Home / 4,979.58-7,469.99-1,693.61

Finding the Fourth Proportional to 4,979.58, 7,469.99 and 1,693.61

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Solution

The fourth proportional to 4,979.58, 7,469.99 and 1,693.61 is: 2,540.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.58 : 7,469.99 = 1,693.61 : x
  2. Step 2: Convert to fraction form
    4,979.58/7,469.99 = 1,693.61/x
  3. Step 3: Cross multiply
    4,979.58x = 7,469.99 × 1,693.61
  4. Step 4: Simplify right side
    4,979.58x = 12,651,238.31
  5. Step 5: Solve for x
    x = 12,651,238.31/4,979.58
  6. Step 6: Final answer
    x = 2,540.63

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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.