Home / 5,609.53-8,414.32-2,647.02

Finding the Fourth Proportional to 5,609.53, 8,414.32 and 2,647.02

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Solution

The fourth proportional to 5,609.53, 8,414.32 and 2,647.02 is: 3,970.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,609.53 : 8,414.32 = 2,647.02 : x
  2. Step 2: Convert to fraction form
    5,609.53/8,414.32 = 2,647.02/x
  3. Step 3: Cross multiply
    5,609.53x = 8,414.32 × 2,647.02
  4. Step 4: Simplify right side
    5,609.53x = 22,272,873.33
  5. Step 5: Solve for x
    x = 22,272,873.33/5,609.53
  6. Step 6: Final answer
    x = 3,970.54

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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.