Home / 6,771.20-10,142.08-4,299.84

Finding the Fourth Proportional to 6,771.20, 10,142.08 and 4,299.84

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Solution

The fourth proportional to 6,771.20, 10,142.08 and 4,299.84 is: 6,440.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,771.20 : 10,142.08 = 4,299.84 : x
  2. Step 2: Convert to fraction form
    6,771.20/10,142.08 = 4,299.84/x
  3. Step 3: Cross multiply
    6,771.20x = 10,142.08 × 4,299.84
  4. Step 4: Simplify right side
    6,771.20x = 43,609,321.27
  5. Step 5: Solve for x
    x = 43,609,321.27/6,771.20
  6. Step 6: Final answer
    x = 6,440.41

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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.