Home / 7,850.43-11,761.81-4,144.50

Finding the Fourth Proportional to 7,850.43, 11,761.81 and 4,144.50

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Solution

The fourth proportional to 7,850.43, 11,761.81 and 4,144.50 is: 6,209.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,850.43 : 11,761.81 = 4,144.50 : x
  2. Step 2: Convert to fraction form
    7,850.43/11,761.81 = 4,144.50/x
  3. Step 3: Cross multiply
    7,850.43x = 11,761.81 × 4,144.50
  4. Step 4: Simplify right side
    7,850.43x = 48,746,821.55
  5. Step 5: Solve for x
    x = 48,746,821.55/7,850.43
  6. Step 6: Final answer
    x = 6,209.45

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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.