Home / 5,406.78-8,098.42-2,627.60

Finding the Fourth Proportional to 5,406.78, 8,098.42 and 2,627.60

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Solution

The fourth proportional to 5,406.78, 8,098.42 and 2,627.60 is: 3,935.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.78 : 8,098.42 = 2,627.60 : x
  2. Step 2: Convert to fraction form
    5,406.78/8,098.42 = 2,627.60/x
  3. Step 3: Cross multiply
    5,406.78x = 8,098.42 × 2,627.60
  4. Step 4: Simplify right side
    5,406.78x = 21,279,408.39
  5. Step 5: Solve for x
    x = 21,279,408.39/5,406.78
  6. Step 6: Final answer
    x = 3,935.69

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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.