Home / 5,296.97-7,310.05-3,172.85

Finding the Fourth Proportional to 5,296.97, 7,310.05 and 3,172.85

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Solution

The fourth proportional to 5,296.97, 7,310.05 and 3,172.85 is: 4,378.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,296.97 : 7,310.05 = 3,172.85 : x
  2. Step 2: Convert to fraction form
    5,296.97/7,310.05 = 3,172.85/x
  3. Step 3: Cross multiply
    5,296.97x = 7,310.05 × 3,172.85
  4. Step 4: Simplify right side
    5,296.97x = 23,193,647.66
  5. Step 5: Solve for x
    x = 23,193,647.66/5,296.97
  6. Step 6: Final answer
    x = 4,378.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.