Home / 6,540.04-9,811.43-2,160.57

Finding the Fourth Proportional to 6,540.04, 9,811.43 and 2,160.57

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Solution

The fourth proportional to 6,540.04, 9,811.43 and 2,160.57 is: 3,241.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,540.04 : 9,811.43 = 2,160.57 : x
  2. Step 2: Convert to fraction form
    6,540.04/9,811.43 = 2,160.57/x
  3. Step 3: Cross multiply
    6,540.04x = 9,811.43 × 2,160.57
  4. Step 4: Simplify right side
    6,540.04x = 21,198,315.41
  5. Step 5: Solve for x
    x = 21,198,315.41/6,540.04
  6. Step 6: Final answer
    x = 3,241.31

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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.