Home / 8,137.18-12,204.35-3,754.27

Finding the Fourth Proportional to 8,137.18, 12,204.35 and 3,754.27

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Solution

The fourth proportional to 8,137.18, 12,204.35 and 3,754.27 is: 5,630.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,137.18 : 12,204.35 = 3,754.27 : x
  2. Step 2: Convert to fraction form
    8,137.18/12,204.35 = 3,754.27/x
  3. Step 3: Cross multiply
    8,137.18x = 12,204.35 × 3,754.27
  4. Step 4: Simplify right side
    8,137.18x = 45,818,425.07
  5. Step 5: Solve for x
    x = 45,818,425.07/8,137.18
  6. Step 6: Final answer
    x = 5,630.75

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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.