Home / 4,620.38-6,928.08-2,020.28

Finding the Fourth Proportional to 4,620.38, 6,928.08 and 2,020.28

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Solution

The fourth proportional to 4,620.38, 6,928.08 and 2,020.28 is: 3,029.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620.38 : 6,928.08 = 2,020.28 : x
  2. Step 2: Convert to fraction form
    4,620.38/6,928.08 = 2,020.28/x
  3. Step 3: Cross multiply
    4,620.38x = 6,928.08 × 2,020.28
  4. Step 4: Simplify right side
    4,620.38x = 13,996,661.46
  5. Step 5: Solve for x
    x = 13,996,661.46/4,620.38
  6. Step 6: Final answer
    x = 3,029.33

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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.