Home / 5,379.55-8,069.29-3,186.71

Finding the Fourth Proportional to 5,379.55, 8,069.29 and 3,186.71

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Solution

The fourth proportional to 5,379.55, 8,069.29 and 3,186.71 is: 4,780.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.55 : 8,069.29 = 3,186.71 : x
  2. Step 2: Convert to fraction form
    5,379.55/8,069.29 = 3,186.71/x
  3. Step 3: Cross multiply
    5,379.55x = 8,069.29 × 3,186.71
  4. Step 4: Simplify right side
    5,379.55x = 25,714,469.08
  5. Step 5: Solve for x
    x = 25,714,469.08/5,379.55
  6. Step 6: Final answer
    x = 4,780.04

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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.