Home / 8,126.40-12,196.80-4,180.44

Finding the Fourth Proportional to 8,126.40, 12,196.80 and 4,180.44

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Solution

The fourth proportional to 8,126.40, 12,196.80 and 4,180.44 is: 6,274.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126.40 : 12,196.80 = 4,180.44 : x
  2. Step 2: Convert to fraction form
    8,126.40/12,196.80 = 4,180.44/x
  3. Step 3: Cross multiply
    8,126.40x = 12,196.80 × 4,180.44
  4. Step 4: Simplify right side
    8,126.40x = 50,987,990.59
  5. Step 5: Solve for x
    x = 50,987,990.59/8,126.40
  6. Step 6: Final answer
    x = 6,274.36

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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.