Home / 6,122.87-8,450.89-3,733.64

Finding the Fourth Proportional to 6,122.87, 8,450.89 and 3,733.64

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Solution

The fourth proportional to 6,122.87, 8,450.89 and 3,733.64 is: 5,153.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.87 : 8,450.89 = 3,733.64 : x
  2. Step 2: Convert to fraction form
    6,122.87/8,450.89 = 3,733.64/x
  3. Step 3: Cross multiply
    6,122.87x = 8,450.89 × 3,733.64
  4. Step 4: Simplify right side
    6,122.87x = 31,552,561.04
  5. Step 5: Solve for x
    x = 31,552,561.04/6,122.87
  6. Step 6: Final answer
    x = 5,153.23

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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.