Home / 6,729.12-10,087.20-5,338.80

Finding the Fourth Proportional to 6,729.12, 10,087.20 and 5,338.80

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Solution

The fourth proportional to 6,729.12, 10,087.20 and 5,338.80 is: 8,003.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,729.12 : 10,087.20 = 5,338.80 : x
  2. Step 2: Convert to fraction form
    6,729.12/10,087.20 = 5,338.80/x
  3. Step 3: Cross multiply
    6,729.12x = 10,087.20 × 5,338.80
  4. Step 4: Simplify right side
    6,729.12x = 53,853,543.36
  5. Step 5: Solve for x
    x = 53,853,543.36/6,729.12
  6. Step 6: Final answer
    x = 8,003.06

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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.