Home / 5,631.84-8,441.90-2,119.43

Finding the Fourth Proportional to 5,631.84, 8,441.90 and 2,119.43

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Solution

The fourth proportional to 5,631.84, 8,441.90 and 2,119.43 is: 3,176.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.84 : 8,441.90 = 2,119.43 : x
  2. Step 2: Convert to fraction form
    5,631.84/8,441.90 = 2,119.43/x
  3. Step 3: Cross multiply
    5,631.84x = 8,441.90 × 2,119.43
  4. Step 4: Simplify right side
    5,631.84x = 17,892,034.57
  5. Step 5: Solve for x
    x = 17,892,034.57/5,631.84
  6. Step 6: Final answer
    x = 3,176.94

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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.