Home / 10,777.05-16,165.50-2,771.79

Finding the Fourth Proportional to 10,777.05, 16,165.50 and 2,771.79

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Solution

The fourth proportional to 10,777.05, 16,165.50 and 2,771.79 is: 4,157.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,777.05 : 16,165.50 = 2,771.79 : x
  2. Step 2: Convert to fraction form
    10,777.05/16,165.50 = 2,771.79/x
  3. Step 3: Cross multiply
    10,777.05x = 16,165.50 × 2,771.79
  4. Step 4: Simplify right side
    10,777.05x = 44,807,371.25
  5. Step 5: Solve for x
    x = 44,807,371.25/10,777.05
  6. Step 6: Final answer
    x = 4,157.67

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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.