Home / 7,104.05-10,656.86-1,910.33

Finding the Fourth Proportional to 7,104.05, 10,656.86 and 1,910.33

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Solution

The fourth proportional to 7,104.05, 10,656.86 and 1,910.33 is: 2,865.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104.05 : 10,656.86 = 1,910.33 : x
  2. Step 2: Convert to fraction form
    7,104.05/10,656.86 = 1,910.33/x
  3. Step 3: Cross multiply
    7,104.05x = 10,656.86 × 1,910.33
  4. Step 4: Simplify right side
    7,104.05x = 20,358,119.36
  5. Step 5: Solve for x
    x = 20,358,119.36/7,104.05
  6. Step 6: Final answer
    x = 2,865.71

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Double scale
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Similar ratio
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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.