Home / 7,643.21-11,463.84-2,960.02

Finding the Fourth Proportional to 7,643.21, 11,463.84 and 2,960.02

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Solution

The fourth proportional to 7,643.21, 11,463.84 and 2,960.02 is: 4,439.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643.21 : 11,463.84 = 2,960.02 : x
  2. Step 2: Convert to fraction form
    7,643.21/11,463.84 = 2,960.02/x
  3. Step 3: Cross multiply
    7,643.21x = 11,463.84 × 2,960.02
  4. Step 4: Simplify right side
    7,643.21x = 33,933,123.56
  5. Step 5: Solve for x
    x = 33,933,123.56/7,643.21
  6. Step 6: Final answer
    x = 4,439.64

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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.