Home / 5,343.76-8,017.26-3,147.85

Finding the Fourth Proportional to 5,343.76, 8,017.26 and 3,147.85

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Solution

The fourth proportional to 5,343.76, 8,017.26 and 3,147.85 is: 4,722.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.76 : 8,017.26 = 3,147.85 : x
  2. Step 2: Convert to fraction form
    5,343.76/8,017.26 = 3,147.85/x
  3. Step 3: Cross multiply
    5,343.76x = 8,017.26 × 3,147.85
  4. Step 4: Simplify right side
    5,343.76x = 25,237,131.89
  5. Step 5: Solve for x
    x = 25,237,131.89/5,343.76
  6. Step 6: Final answer
    x = 4,722.73

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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.