Home / 6,929.53-10,394.28-1,999.19

Finding the Fourth Proportional to 6,929.53, 10,394.28 and 1,999.19

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Solution

The fourth proportional to 6,929.53, 10,394.28 and 1,999.19 is: 2,998.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,929.53 : 10,394.28 = 1,999.19 : x
  2. Step 2: Convert to fraction form
    6,929.53/10,394.28 = 1,999.19/x
  3. Step 3: Cross multiply
    6,929.53x = 10,394.28 × 1,999.19
  4. Step 4: Simplify right side
    6,929.53x = 20,780,166.62
  5. Step 5: Solve for x
    x = 20,780,166.62/6,929.53
  6. Step 6: Final answer
    x = 2,998.79

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Double scale
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Similar ratio
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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.