Home / 6,542.23-9,811.97-2,158.66

Finding the Fourth Proportional to 6,542.23, 9,811.97 and 2,158.66

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Solution

The fourth proportional to 6,542.23, 9,811.97 and 2,158.66 is: 3,237.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,542.23 : 9,811.97 = 2,158.66 : x
  2. Step 2: Convert to fraction form
    6,542.23/9,811.97 = 2,158.66/x
  3. Step 3: Cross multiply
    6,542.23x = 9,811.97 × 2,158.66
  4. Step 4: Simplify right side
    6,542.23x = 21,180,707.16
  5. Step 5: Solve for x
    x = 21,180,707.16/6,542.23
  6. Step 6: Final answer
    x = 3,237.54

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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.