Home / 6,620.85-9,928.22-3,848.31

Finding the Fourth Proportional to 6,620.85, 9,928.22 and 3,848.31

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Solution

The fourth proportional to 6,620.85, 9,928.22 and 3,848.31 is: 5,770.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620.85 : 9,928.22 = 3,848.31 : x
  2. Step 2: Convert to fraction form
    6,620.85/9,928.22 = 3,848.31/x
  3. Step 3: Cross multiply
    6,620.85x = 9,928.22 × 3,848.31
  4. Step 4: Simplify right side
    6,620.85x = 38,206,849.07
  5. Step 5: Solve for x
    x = 38,206,849.07/6,620.85
  6. Step 6: Final answer
    x = 5,770.69

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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.