Home / 6,780.49-10,169.48-2,099.62

Finding the Fourth Proportional to 6,780.49, 10,169.48 and 2,099.62

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Solution

The fourth proportional to 6,780.49, 10,169.48 and 2,099.62 is: 3,149.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,780.49 : 10,169.48 = 2,099.62 : x
  2. Step 2: Convert to fraction form
    6,780.49/10,169.48 = 2,099.62/x
  3. Step 3: Cross multiply
    6,780.49x = 10,169.48 × 2,099.62
  4. Step 4: Simplify right side
    6,780.49x = 21,352,043.60
  5. Step 5: Solve for x
    x = 21,352,043.60/6,780.49
  6. Step 6: Final answer
    x = 3,149.04

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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.