Home / 5,639.61-8,441.70-3,874.29

Finding the Fourth Proportional to 5,639.61, 8,441.70 and 3,874.29

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Solution

The fourth proportional to 5,639.61, 8,441.70 and 3,874.29 is: 5,799.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639.61 : 8,441.70 = 3,874.29 : x
  2. Step 2: Convert to fraction form
    5,639.61/8,441.70 = 3,874.29/x
  3. Step 3: Cross multiply
    5,639.61x = 8,441.70 × 3,874.29
  4. Step 4: Simplify right side
    5,639.61x = 32,705,593.89
  5. Step 5: Solve for x
    x = 32,705,593.89/5,639.61
  6. Step 6: Final answer
    x = 5,799.27

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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.