Home / 7,928.97-11,896.61-2,999.99

Finding the Fourth Proportional to 7,928.97, 11,896.61 and 2,999.99

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Solution

The fourth proportional to 7,928.97, 11,896.61 and 2,999.99 is: 4,501.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.97 : 11,896.61 = 2,999.99 : x
  2. Step 2: Convert to fraction form
    7,928.97/11,896.61 = 2,999.99/x
  3. Step 3: Cross multiply
    7,928.97x = 11,896.61 × 2,999.99
  4. Step 4: Simplify right side
    7,928.97x = 35,689,636.55
  5. Step 5: Solve for x
    x = 35,689,636.55/7,928.97
  6. Step 6: Final answer
    x = 4,501.17

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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.