Home / 4,828.28-6,661.07-2,939.15

Finding the Fourth Proportional to 4,828.28, 6,661.07 and 2,939.15

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Solution

The fourth proportional to 4,828.28, 6,661.07 and 2,939.15 is: 4,054.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,828.28 : 6,661.07 = 2,939.15 : x
  2. Step 2: Convert to fraction form
    4,828.28/6,661.07 = 2,939.15/x
  3. Step 3: Cross multiply
    4,828.28x = 6,661.07 × 2,939.15
  4. Step 4: Simplify right side
    4,828.28x = 19,577,896.87
  5. Step 5: Solve for x
    x = 19,577,896.87/4,828.28
  6. Step 6: Final answer
    x = 4,054.84

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Why These Related Problems?

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