Home / 4,872.40-7,304.55-2,563.90

Finding the Fourth Proportional to 4,872.40, 7,304.55 and 2,563.90

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Solution

The fourth proportional to 4,872.40, 7,304.55 and 2,563.90 is: 3,843.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872.40 : 7,304.55 = 2,563.90 : x
  2. Step 2: Convert to fraction form
    4,872.40/7,304.55 = 2,563.90/x
  3. Step 3: Cross multiply
    4,872.40x = 7,304.55 × 2,563.90
  4. Step 4: Simplify right side
    4,872.40x = 18,728,135.75
  5. Step 5: Solve for x
    x = 18,728,135.75/4,872.40
  6. Step 6: Final answer
    x = 3,843.72

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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.