Home / 7,821.33-11,716.87-4,348.05

Finding the Fourth Proportional to 7,821.33, 11,716.87 and 4,348.05

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Solution

The fourth proportional to 7,821.33, 11,716.87 and 4,348.05 is: 6,513.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,821.33 : 11,716.87 = 4,348.05 : x
  2. Step 2: Convert to fraction form
    7,821.33/11,716.87 = 4,348.05/x
  3. Step 3: Cross multiply
    7,821.33x = 11,716.87 × 4,348.05
  4. Step 4: Simplify right side
    7,821.33x = 50,945,536.60
  5. Step 5: Solve for x
    x = 50,945,536.60/7,821.33
  6. Step 6: Final answer
    x = 6,513.67

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1.5x scale

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.