Home / 8,154.68-12,226.34-3,935.38

Finding the Fourth Proportional to 8,154.68, 12,226.34 and 3,935.38

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Solution

The fourth proportional to 8,154.68, 12,226.34 and 3,935.38 is: 5,900.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154.68 : 12,226.34 = 3,935.38 : x
  2. Step 2: Convert to fraction form
    8,154.68/12,226.34 = 3,935.38/x
  3. Step 3: Cross multiply
    8,154.68x = 12,226.34 × 3,935.38
  4. Step 4: Simplify right side
    8,154.68x = 48,115,293.91
  5. Step 5: Solve for x
    x = 48,115,293.91/8,154.68
  6. Step 6: Final answer
    x = 5,900.33

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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.