Home / 8,130.10-12,195.97-2,207.08

Finding the Fourth Proportional to 8,130.10, 12,195.97 and 2,207.08

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Solution

The fourth proportional to 8,130.10, 12,195.97 and 2,207.08 is: 3,310.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.10 : 12,195.97 = 2,207.08 : x
  2. Step 2: Convert to fraction form
    8,130.10/12,195.97 = 2,207.08/x
  3. Step 3: Cross multiply
    8,130.10x = 12,195.97 × 2,207.08
  4. Step 4: Simplify right side
    8,130.10x = 26,917,470.43
  5. Step 5: Solve for x
    x = 26,917,470.43/8,130.10
  6. Step 6: Final answer
    x = 3,310.84

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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.