Home / 7,104.97-10,657.44-1,910.85

Finding the Fourth Proportional to 7,104.97, 10,657.44 and 1,910.85

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Solution

The fourth proportional to 7,104.97, 10,657.44 and 1,910.85 is: 2,866.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104.97 : 10,657.44 = 1,910.85 : x
  2. Step 2: Convert to fraction form
    7,104.97/10,657.44 = 1,910.85/x
  3. Step 3: Cross multiply
    7,104.97x = 10,657.44 × 1,910.85
  4. Step 4: Simplify right side
    7,104.97x = 20,364,769.22
  5. Step 5: Solve for x
    x = 20,364,769.22/7,104.97
  6. Step 6: Final answer
    x = 2,866.27

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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.