Home / 8,130.03-12,195.39-2,796.88

Finding the Fourth Proportional to 8,130.03, 12,195.39 and 2,796.88

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Solution

The fourth proportional to 8,130.03, 12,195.39 and 2,796.88 is: 4,195.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.03 : 12,195.39 = 2,796.88 : x
  2. Step 2: Convert to fraction form
    8,130.03/12,195.39 = 2,796.88/x
  3. Step 3: Cross multiply
    8,130.03x = 12,195.39 × 2,796.88
  4. Step 4: Simplify right side
    8,130.03x = 34,109,042.38
  5. Step 5: Solve for x
    x = 34,109,042.38/8,130.03
  6. Step 6: Final answer
    x = 4,195.44

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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.