Home / 6,729.80-10,086.60-3,441.20

Finding the Fourth Proportional to 6,729.80, 10,086.60 and 3,441.20

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Solution

The fourth proportional to 6,729.80, 10,086.60 and 3,441.20 is: 5,157.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,729.80 : 10,086.60 = 3,441.20 : x
  2. Step 2: Convert to fraction form
    6,729.80/10,086.60 = 3,441.20/x
  3. Step 3: Cross multiply
    6,729.80x = 10,086.60 × 3,441.20
  4. Step 4: Simplify right side
    6,729.80x = 34,710,007.92
  5. Step 5: Solve for x
    x = 34,710,007.92/6,729.80
  6. Step 6: Final answer
    x = 5,157.66

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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.