Home / 6,542.78-9,814.10-2,646.27

Finding the Fourth Proportional to 6,542.78, 9,814.10 and 2,646.27

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Solution

The fourth proportional to 6,542.78, 9,814.10 and 2,646.27 is: 3,969.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,542.78 : 9,814.10 = 2,646.27 : x
  2. Step 2: Convert to fraction form
    6,542.78/9,814.10 = 2,646.27/x
  3. Step 3: Cross multiply
    6,542.78x = 9,814.10 × 2,646.27
  4. Step 4: Simplify right side
    6,542.78x = 25,970,745.18
  5. Step 5: Solve for x
    x = 25,970,745.18/6,542.78
  6. Step 6: Final answer
    x = 3,969.38

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Similar ratio
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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.