Home / 5,641.62-8,467.29-3,178.86

Finding the Fourth Proportional to 5,641.62, 8,467.29 and 3,178.86

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Solution

The fourth proportional to 5,641.62, 8,467.29 and 3,178.86 is: 4,771.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,641.62 : 8,467.29 = 3,178.86 : x
  2. Step 2: Convert to fraction form
    5,641.62/8,467.29 = 3,178.86/x
  3. Step 3: Cross multiply
    5,641.62x = 8,467.29 × 3,178.86
  4. Step 4: Simplify right side
    5,641.62x = 26,916,329.49
  5. Step 5: Solve for x
    x = 26,916,329.49/5,641.62
  6. Step 6: Final answer
    x = 4,771.03

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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.