Home / 6,899.52-10,343.40-3,199.86

Finding the Fourth Proportional to 6,899.52, 10,343.40 and 3,199.86

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Solution

The fourth proportional to 6,899.52, 10,343.40 and 3,199.86 is: 4,797.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.52 : 10,343.40 = 3,199.86 : x
  2. Step 2: Convert to fraction form
    6,899.52/10,343.40 = 3,199.86/x
  3. Step 3: Cross multiply
    6,899.52x = 10,343.40 × 3,199.86
  4. Step 4: Simplify right side
    6,899.52x = 33,097,431.92
  5. Step 5: Solve for x
    x = 33,097,431.92/6,899.52
  6. Step 6: Final answer
    x = 4,797.06

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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.