Home / 8,126.79-12,173.57-3,954.27

Finding the Fourth Proportional to 8,126.79, 12,173.57 and 3,954.27

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Solution

The fourth proportional to 8,126.79, 12,173.57 and 3,954.27 is: 5,923.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126.79 : 12,173.57 = 3,954.27 : x
  2. Step 2: Convert to fraction form
    8,126.79/12,173.57 = 3,954.27/x
  3. Step 3: Cross multiply
    8,126.79x = 12,173.57 × 3,954.27
  4. Step 4: Simplify right side
    8,126.79x = 48,137,582.64
  5. Step 5: Solve for x
    x = 48,137,582.64/8,126.79
  6. Step 6: Final answer
    x = 5,923.32

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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.