Home / 6,812.92-10,220.82-2,199.16

Finding the Fourth Proportional to 6,812.92, 10,220.82 and 2,199.16

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Solution

The fourth proportional to 6,812.92, 10,220.82 and 2,199.16 is: 3,299.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,812.92 : 10,220.82 = 2,199.16 : x
  2. Step 2: Convert to fraction form
    6,812.92/10,220.82 = 2,199.16/x
  3. Step 3: Cross multiply
    6,812.92x = 10,220.82 × 2,199.16
  4. Step 4: Simplify right side
    6,812.92x = 22,477,218.51
  5. Step 5: Solve for x
    x = 22,477,218.51/6,812.92
  6. Step 6: Final answer
    x = 3,299.20

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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.