Home / 6,542.78-9,814.49-2,160.14

Finding the Fourth Proportional to 6,542.78, 9,814.49 and 2,160.14

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Solution

The fourth proportional to 6,542.78, 9,814.49 and 2,160.14 is: 3,240.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,542.78 : 9,814.49 = 2,160.14 : x
  2. Step 2: Convert to fraction form
    6,542.78/9,814.49 = 2,160.14/x
  3. Step 3: Cross multiply
    6,542.78x = 9,814.49 × 2,160.14
  4. Step 4: Simplify right side
    6,542.78x = 21,200,661.63
  5. Step 5: Solve for x
    x = 21,200,661.63/6,542.78
  6. Step 6: Final answer
    x = 3,240.31

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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.