Home / 7,928.06-10,936.89-5,240.33

Finding the Fourth Proportional to 7,928.06, 10,936.89 and 5,240.33

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Solution

The fourth proportional to 7,928.06, 10,936.89 and 5,240.33 is: 7,229.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.06 : 10,936.89 = 5,240.33 : x
  2. Step 2: Convert to fraction form
    7,928.06/10,936.89 = 5,240.33/x
  3. Step 3: Cross multiply
    7,928.06x = 10,936.89 × 5,240.33
  4. Step 4: Simplify right side
    7,928.06x = 57,312,899.10
  5. Step 5: Solve for x
    x = 57,312,899.10/7,928.06
  6. Step 6: Final answer
    x = 7,229.12

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.