Home / 5,825-8,728.98-3,627.04

Finding the Fourth Proportional to 5,825, 8,728.98 and 3,627.04

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Solution

The fourth proportional to 5,825, 8,728.98 and 3,627.04 is: 5,435.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,825 : 8,728.98 = 3,627.04 : x
  2. Step 2: Convert to fraction form
    5,825/8,728.98 = 3,627.04/x
  3. Step 3: Cross multiply
    5,825x = 8,728.98 × 3,627.04
  4. Step 4: Simplify right side
    5,825x = 31,660,359.62
  5. Step 5: Solve for x
    x = 31,660,359.62/5,825
  6. Step 6: Final answer
    x = 5,435.25

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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.