Home / 6,435.80-9,658.31-2,740.62

Finding the Fourth Proportional to 6,435.80, 9,658.31 and 2,740.62

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Solution

The fourth proportional to 6,435.80, 9,658.31 and 2,740.62 is: 4,112.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,435.80 : 9,658.31 = 2,740.62 : x
  2. Step 2: Convert to fraction form
    6,435.80/9,658.31 = 2,740.62/x
  3. Step 3: Cross multiply
    6,435.80x = 9,658.31 × 2,740.62
  4. Step 4: Simplify right side
    6,435.80x = 26,469,757.55
  5. Step 5: Solve for x
    x = 26,469,757.55/6,435.80
  6. Step 6: Final answer
    x = 4,112.89

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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.