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Finding the Fourth Proportional to 6,450.93, 8,901.71 and 3,933.80

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Solution

The fourth proportional to 6,450.93, 8,901.71 and 3,933.80 is: 5,428.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,450.93 : 8,901.71 = 3,933.80 : x
  2. Step 2: Convert to fraction form
    6,450.93/8,901.71 = 3,933.80/x
  3. Step 3: Cross multiply
    6,450.93x = 8,901.71 × 3,933.80
  4. Step 4: Simplify right side
    6,450.93x = 35,017,546.80
  5. Step 5: Solve for x
    x = 35,017,546.80/6,450.93
  6. Step 6: Final answer
    x = 5,428.29

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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.