Home / 8,154.51-12,235.83-3,227.70

Finding the Fourth Proportional to 8,154.51, 12,235.83 and 3,227.70

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Solution

The fourth proportional to 8,154.51, 12,235.83 and 3,227.70 is: 4,843.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154.51 : 12,235.83 = 3,227.70 : x
  2. Step 2: Convert to fraction form
    8,154.51/12,235.83 = 3,227.70/x
  3. Step 3: Cross multiply
    8,154.51x = 12,235.83 × 3,227.70
  4. Step 4: Simplify right side
    8,154.51x = 39,493,588.49
  5. Step 5: Solve for x
    x = 39,493,588.49/8,154.51
  6. Step 6: Final answer
    x = 4,843.16

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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.