Home / 8,118.05-12,176.26-2,274.71

Finding the Fourth Proportional to 8,118.05, 12,176.26 and 2,274.71

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Solution

The fourth proportional to 8,118.05, 12,176.26 and 2,274.71 is: 3,411.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,118.05 : 12,176.26 = 2,274.71 : x
  2. Step 2: Convert to fraction form
    8,118.05/12,176.26 = 2,274.71/x
  3. Step 3: Cross multiply
    8,118.05x = 12,176.26 × 2,274.71
  4. Step 4: Simplify right side
    8,118.05x = 27,697,460.38
  5. Step 5: Solve for x
    x = 27,697,460.38/8,118.05
  6. Step 6: Final answer
    x = 3,411.84

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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.