Home / 5,642.87-8,450.33-3,296.70

Finding the Fourth Proportional to 5,642.87, 8,450.33 and 3,296.70

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Solution

The fourth proportional to 5,642.87, 8,450.33 and 3,296.70 is: 4,936.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,642.87 : 8,450.33 = 3,296.70 : x
  2. Step 2: Convert to fraction form
    5,642.87/8,450.33 = 3,296.70/x
  3. Step 3: Cross multiply
    5,642.87x = 8,450.33 × 3,296.70
  4. Step 4: Simplify right side
    5,642.87x = 27,858,186.43
  5. Step 5: Solve for x
    x = 27,858,186.43/5,642.87
  6. Step 6: Final answer
    x = 4,936.89

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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.