Home / 6,930.52-10,394.25-1,999.09

Finding the Fourth Proportional to 6,930.52, 10,394.25 and 1,999.09

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Solution

The fourth proportional to 6,930.52, 10,394.25 and 1,999.09 is: 2,998.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,930.52 : 10,394.25 = 1,999.09 : x
  2. Step 2: Convert to fraction form
    6,930.52/10,394.25 = 1,999.09/x
  3. Step 3: Cross multiply
    6,930.52x = 10,394.25 × 1,999.09
  4. Step 4: Simplify right side
    6,930.52x = 20,779,015.25
  5. Step 5: Solve for x
    x = 20,779,015.25/6,930.52
  6. Step 6: Final answer
    x = 2,998.19

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Double scale
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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.