Home / 6,910.33-10,365.44-1,979.98

Finding the Fourth Proportional to 6,910.33, 10,365.44 and 1,979.98

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Solution

The fourth proportional to 6,910.33, 10,365.44 and 1,979.98 is: 2,969.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,910.33 : 10,365.44 = 1,979.98 : x
  2. Step 2: Convert to fraction form
    6,910.33/10,365.44 = 1,979.98/x
  3. Step 3: Cross multiply
    6,910.33x = 10,365.44 × 1,979.98
  4. Step 4: Simplify right side
    6,910.33x = 20,523,342.93
  5. Step 5: Solve for x
    x = 20,523,342.93/6,910.33
  6. Step 6: Final answer
    x = 2,969.95

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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.