Home / 6,290.56-9,429.92-3,208.96

Finding the Fourth Proportional to 6,290.56, 9,429.92 and 3,208.96

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Solution

The fourth proportional to 6,290.56, 9,429.92 and 3,208.96 is: 4,810.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290.56 : 9,429.92 = 3,208.96 : x
  2. Step 2: Convert to fraction form
    6,290.56/9,429.92 = 3,208.96/x
  3. Step 3: Cross multiply
    6,290.56x = 9,429.92 × 3,208.96
  4. Step 4: Simplify right side
    6,290.56x = 30,260,236.08
  5. Step 5: Solve for x
    x = 30,260,236.08/6,290.56
  6. Step 6: Final answer
    x = 4,810.42

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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.