Home / 8,126.93-12,190.58-3,966.36

Finding the Fourth Proportional to 8,126.93, 12,190.58 and 3,966.36

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Solution

The fourth proportional to 8,126.93, 12,190.58 and 3,966.36 is: 5,949.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126.93 : 12,190.58 = 3,966.36 : x
  2. Step 2: Convert to fraction form
    8,126.93/12,190.58 = 3,966.36/x
  3. Step 3: Cross multiply
    8,126.93x = 12,190.58 × 3,966.36
  4. Step 4: Simplify right side
    8,126.93x = 48,352,209.06
  5. Step 5: Solve for x
    x = 48,352,209.06/8,126.93
  6. Step 6: Final answer
    x = 5,949.63

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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.