Home / 8,154.39-12,226.11-3,769.45

Finding the Fourth Proportional to 8,154.39, 12,226.11 and 3,769.45

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Solution

The fourth proportional to 8,154.39, 12,226.11 and 3,769.45 is: 5,651.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154.39 : 12,226.11 = 3,769.45 : x
  2. Step 2: Convert to fraction form
    8,154.39/12,226.11 = 3,769.45/x
  3. Step 3: Cross multiply
    8,154.39x = 12,226.11 × 3,769.45
  4. Step 4: Simplify right side
    8,154.39x = 46,085,710.34
  5. Step 5: Solve for x
    x = 46,085,710.34/8,154.39
  6. Step 6: Final answer
    x = 5,651.64

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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.