Home / 6,949.96-10,425.90-2,845

Finding the Fourth Proportional to 6,949.96, 10,425.90 and 2,845

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Solution

The fourth proportional to 6,949.96, 10,425.90 and 2,845 is: 4,267.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,949.96 : 10,425.90 = 2,845 : x
  2. Step 2: Convert to fraction form
    6,949.96/10,425.90 = 2,845/x
  3. Step 3: Cross multiply
    6,949.96x = 10,425.90 × 2,845
  4. Step 4: Simplify right side
    6,949.96x = 29,661,685.50
  5. Step 5: Solve for x
    x = 29,661,685.50/6,949.96
  6. Step 6: Final answer
    x = 4,267.89

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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.