Home / 8,394.13-12,579.86-3,197.17

Finding the Fourth Proportional to 8,394.13, 12,579.86 and 3,197.17

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Solution

The fourth proportional to 8,394.13, 12,579.86 and 3,197.17 is: 4,791.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394.13 : 12,579.86 = 3,197.17 : x
  2. Step 2: Convert to fraction form
    8,394.13/12,579.86 = 3,197.17/x
  3. Step 3: Cross multiply
    8,394.13x = 12,579.86 × 3,197.17
  4. Step 4: Simplify right side
    8,394.13x = 40,219,951.00
  5. Step 5: Solve for x
    x = 40,219,951.00/8,394.13
  6. Step 6: Final answer
    x = 4,791.44

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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.