Home / 7,847.82-11,770.44-2,582.90

Finding the Fourth Proportional to 7,847.82, 11,770.44 and 2,582.90

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Solution

The fourth proportional to 7,847.82, 11,770.44 and 2,582.90 is: 3,873.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,847.82 : 11,770.44 = 2,582.90 : x
  2. Step 2: Convert to fraction form
    7,847.82/11,770.44 = 2,582.90/x
  3. Step 3: Cross multiply
    7,847.82x = 11,770.44 × 2,582.90
  4. Step 4: Simplify right side
    7,847.82x = 30,401,845.08
  5. Step 5: Solve for x
    x = 30,401,845.08/7,847.82
  6. Step 6: Final answer
    x = 3,873.92

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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.