Home / 4,938.84-6,815.88-2,843.28

Finding the Fourth Proportional to 4,938.84, 6,815.88 and 2,843.28

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Solution

The fourth proportional to 4,938.84, 6,815.88 and 2,843.28 is: 3,923.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938.84 : 6,815.88 = 2,843.28 : x
  2. Step 2: Convert to fraction form
    4,938.84/6,815.88 = 2,843.28/x
  3. Step 3: Cross multiply
    4,938.84x = 6,815.88 × 2,843.28
  4. Step 4: Simplify right side
    4,938.84x = 19,379,455.29
  5. Step 5: Solve for x
    x = 19,379,455.29/4,938.84
  6. Step 6: Final answer
    x = 3,923.89

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1.5x scale

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.