Home / 5,120.97-7,684.70-1,833.99

Finding the Fourth Proportional to 5,120.97, 7,684.70 and 1,833.99

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Solution

The fourth proportional to 5,120.97, 7,684.70 and 1,833.99 is: 2,752.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120.97 : 7,684.70 = 1,833.99 : x
  2. Step 2: Convert to fraction form
    5,120.97/7,684.70 = 1,833.99/x
  3. Step 3: Cross multiply
    5,120.97x = 7,684.70 × 1,833.99
  4. Step 4: Simplify right side
    5,120.97x = 14,093,653.78
  5. Step 5: Solve for x
    x = 14,093,653.78/5,120.97
  6. Step 6: Final answer
    x = 2,752.15

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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.