Home / 6,620.05-9,926.87-3,847.52

Finding the Fourth Proportional to 6,620.05, 9,926.87 and 3,847.52

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Solution

The fourth proportional to 6,620.05, 9,926.87 and 3,847.52 is: 5,769.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620.05 : 9,926.87 = 3,847.52 : x
  2. Step 2: Convert to fraction form
    6,620.05/9,926.87 = 3,847.52/x
  3. Step 3: Cross multiply
    6,620.05x = 9,926.87 × 3,847.52
  4. Step 4: Simplify right side
    6,620.05x = 38,193,830.86
  5. Step 5: Solve for x
    x = 38,193,830.86/6,620.05
  6. Step 6: Final answer
    x = 5,769.42

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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.