Home / 6,914.30-10,369.32-1,982.61

Finding the Fourth Proportional to 6,914.30, 10,369.32 and 1,982.61

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Solution

The fourth proportional to 6,914.30, 10,369.32 and 1,982.61 is: 2,973.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,914.30 : 10,369.32 = 1,982.61 : x
  2. Step 2: Convert to fraction form
    6,914.30/10,369.32 = 1,982.61/x
  3. Step 3: Cross multiply
    6,914.30x = 10,369.32 × 1,982.61
  4. Step 4: Simplify right side
    6,914.30x = 20,558,310.09
  5. Step 5: Solve for x
    x = 20,558,310.09/6,914.30
  6. Step 6: Final answer
    x = 2,973.31

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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.