Home / 4,930.50-6,804.69-2,806.55

Finding the Fourth Proportional to 4,930.50, 6,804.69 and 2,806.55

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Solution

The fourth proportional to 4,930.50, 6,804.69 and 2,806.55 is: 3,873.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.50 : 6,804.69 = 2,806.55 : x
  2. Step 2: Convert to fraction form
    4,930.50/6,804.69 = 2,806.55/x
  3. Step 3: Cross multiply
    4,930.50x = 6,804.69 × 2,806.55
  4. Step 4: Simplify right side
    4,930.50x = 19,097,654.66
  5. Step 5: Solve for x
    x = 19,097,654.66/4,930.50
  6. Step 6: Final answer
    x = 3,873.37

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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.