Home / 7,178.82-10,770.99-2,499.33

Finding the Fourth Proportional to 7,178.82, 10,770.99 and 2,499.33

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Solution

The fourth proportional to 7,178.82, 10,770.99 and 2,499.33 is: 3,749.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178.82 : 10,770.99 = 2,499.33 : x
  2. Step 2: Convert to fraction form
    7,178.82/10,770.99 = 2,499.33/x
  3. Step 3: Cross multiply
    7,178.82x = 10,770.99 × 2,499.33
  4. Step 4: Simplify right side
    7,178.82x = 26,920,258.44
  5. Step 5: Solve for x
    x = 26,920,258.44/7,178.82
  6. Step 6: Final answer
    x = 3,749.96

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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.