Home / 6,930.65-10,394.45-1,999.22

Finding the Fourth Proportional to 6,930.65, 10,394.45 and 1,999.22

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Solution

The fourth proportional to 6,930.65, 10,394.45 and 1,999.22 is: 2,998.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,930.65 : 10,394.45 = 1,999.22 : x
  2. Step 2: Convert to fraction form
    6,930.65/10,394.45 = 1,999.22/x
  3. Step 3: Cross multiply
    6,930.65x = 10,394.45 × 1,999.22
  4. Step 4: Simplify right side
    6,930.65x = 20,780,782.33
  5. Step 5: Solve for x
    x = 20,780,782.33/6,930.65
  6. Step 6: Final answer
    x = 2,998.39

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1.5x scale

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.