Home / 6,542.78-9,789.56-3,623.13

Finding the Fourth Proportional to 6,542.78, 9,789.56 and 3,623.13

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Solution

The fourth proportional to 6,542.78, 9,789.56 and 3,623.13 is: 5,421.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,542.78 : 9,789.56 = 3,623.13 : x
  2. Step 2: Convert to fraction form
    6,542.78/9,789.56 = 3,623.13/x
  3. Step 3: Cross multiply
    6,542.78x = 9,789.56 × 3,623.13
  4. Step 4: Simplify right side
    6,542.78x = 35,468,843.99
  5. Step 5: Solve for x
    x = 35,468,843.99/6,542.78
  6. Step 6: Final answer
    x = 5,421.07

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1.5x scale

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.