Home / 7,805.05-11,705.19-4,105.27

Finding the Fourth Proportional to 7,805.05, 11,705.19 and 4,105.27

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Solution

The fourth proportional to 7,805.05, 11,705.19 and 4,105.27 is: 6,156.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,805.05 : 11,705.19 = 4,105.27 : x
  2. Step 2: Convert to fraction form
    7,805.05/11,705.19 = 4,105.27/x
  3. Step 3: Cross multiply
    7,805.05x = 11,705.19 × 4,105.27
  4. Step 4: Simplify right side
    7,805.05x = 48,052,965.35
  5. Step 5: Solve for x
    x = 48,052,965.35/7,805.05
  6. Step 6: Final answer
    x = 6,156.65

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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.