Home / 5,960.88-8,938.53-3,186.90

Finding the Fourth Proportional to 5,960.88, 8,938.53 and 3,186.90

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Solution

The fourth proportional to 5,960.88, 8,938.53 and 3,186.90 is: 4,778.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,960.88 : 8,938.53 = 3,186.90 : x
  2. Step 2: Convert to fraction form
    5,960.88/8,938.53 = 3,186.90/x
  3. Step 3: Cross multiply
    5,960.88x = 8,938.53 × 3,186.90
  4. Step 4: Simplify right side
    5,960.88x = 28,486,201.26
  5. Step 5: Solve for x
    x = 28,486,201.26/5,960.88
  6. Step 6: Final answer
    x = 4,778.86

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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.