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Finding the Fourth Proportional to 8,079.66, 12,130.83 and 4,133.74

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Solution

The fourth proportional to 8,079.66, 12,130.83 and 4,133.74 is: 6,206.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.66 : 12,130.83 = 4,133.74 : x
  2. Step 2: Convert to fraction form
    8,079.66/12,130.83 = 4,133.74/x
  3. Step 3: Cross multiply
    8,079.66x = 12,130.83 × 4,133.74
  4. Step 4: Simplify right side
    8,079.66x = 50,145,758.20
  5. Step 5: Solve for x
    x = 50,145,758.20/8,079.66
  6. Step 6: Final answer
    x = 6,206.42

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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.