Home / 6,812.10-10,221.19-3,304.80

Finding the Fourth Proportional to 6,812.10, 10,221.19 and 3,304.80

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Solution

The fourth proportional to 6,812.10, 10,221.19 and 3,304.80 is: 4,958.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,812.10 : 10,221.19 = 3,304.80 : x
  2. Step 2: Convert to fraction form
    6,812.10/10,221.19 = 3,304.80/x
  3. Step 3: Cross multiply
    6,812.10x = 10,221.19 × 3,304.80
  4. Step 4: Simplify right side
    6,812.10x = 33,778,980.45
  5. Step 5: Solve for x
    x = 33,778,980.45/6,812.10
  6. Step 6: Final answer
    x = 4,958.67

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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.