Home / 5,434.38-8,154.36-2,661

Finding the Fourth Proportional to 5,434.38, 8,154.36 and 2,661

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Solution

The fourth proportional to 5,434.38, 8,154.36 and 2,661 is: 3,992.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434.38 : 8,154.36 = 2,661 : x
  2. Step 2: Convert to fraction form
    5,434.38/8,154.36 = 2,661/x
  3. Step 3: Cross multiply
    5,434.38x = 8,154.36 × 2,661
  4. Step 4: Simplify right side
    5,434.38x = 21,698,751.96
  5. Step 5: Solve for x
    x = 21,698,751.96/5,434.38
  6. Step 6: Final answer
    x = 3,992.87

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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.