Home / 6,929.76-10,394.37-1,999.29

Finding the Fourth Proportional to 6,929.76, 10,394.37 and 1,999.29

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Solution

The fourth proportional to 6,929.76, 10,394.37 and 1,999.29 is: 2,998.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,929.76 : 10,394.37 = 1,999.29 : x
  2. Step 2: Convert to fraction form
    6,929.76/10,394.37 = 1,999.29/x
  3. Step 3: Cross multiply
    6,929.76x = 10,394.37 × 1,999.29
  4. Step 4: Simplify right side
    6,929.76x = 20,781,360.00
  5. Step 5: Solve for x
    x = 20,781,360.00/6,929.76
  6. Step 6: Final answer
    x = 2,998.86

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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.