Home / 7,928.99-11,893.94-2,382.21

Finding the Fourth Proportional to 7,928.99, 11,893.94 and 2,382.21

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Solution

The fourth proportional to 7,928.99, 11,893.94 and 2,382.21 is: 3,573.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.99 : 11,893.94 = 2,382.21 : x
  2. Step 2: Convert to fraction form
    7,928.99/11,893.94 = 2,382.21/x
  3. Step 3: Cross multiply
    7,928.99x = 11,893.94 × 2,382.21
  4. Step 4: Simplify right side
    7,928.99x = 28,333,859.83
  5. Step 5: Solve for x
    x = 28,333,859.83/7,928.99
  6. Step 6: Final answer
    x = 3,573.45

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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.