Home / 6,812.22-10,207.92-2,861.34

Finding the Fourth Proportional to 6,812.22, 10,207.92 and 2,861.34

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Solution

The fourth proportional to 6,812.22, 10,207.92 and 2,861.34 is: 4,287.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,812.22 : 10,207.92 = 2,861.34 : x
  2. Step 2: Convert to fraction form
    6,812.22/10,207.92 = 2,861.34/x
  3. Step 3: Cross multiply
    6,812.22x = 10,207.92 × 2,861.34
  4. Step 4: Simplify right side
    6,812.22x = 29,208,329.81
  5. Step 5: Solve for x
    x = 29,208,329.81/6,812.22
  6. Step 6: Final answer
    x = 4,287.64

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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.