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Finding the Fourth Proportional to 6,809.92, 10,214.89 and 1,880.97

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Solution

The fourth proportional to 6,809.92, 10,214.89 and 1,880.97 is: 2,821.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,809.92 : 10,214.89 = 1,880.97 : x
  2. Step 2: Convert to fraction form
    6,809.92/10,214.89 = 1,880.97/x
  3. Step 3: Cross multiply
    6,809.92x = 10,214.89 × 1,880.97
  4. Step 4: Simplify right side
    6,809.92x = 19,213,926.67
  5. Step 5: Solve for x
    x = 19,213,926.67/6,809.92
  6. Step 6: Final answer
    x = 2,821.46

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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.