Home / 8,137.18-12,210.77-3,754.96

Finding the Fourth Proportional to 8,137.18, 12,210.77 and 3,754.96

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Solution

The fourth proportional to 8,137.18, 12,210.77 and 3,754.96 is: 5,634.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,137.18 : 12,210.77 = 3,754.96 : x
  2. Step 2: Convert to fraction form
    8,137.18/12,210.77 = 3,754.96/x
  3. Step 3: Cross multiply
    8,137.18x = 12,210.77 × 3,754.96
  4. Step 4: Simplify right side
    8,137.18x = 45,850,873.09
  5. Step 5: Solve for x
    x = 45,850,873.09/8,137.18
  6. Step 6: Final answer
    x = 5,634.74

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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.