Home / 4,759.46-7,131.30-1,637.78

Finding the Fourth Proportional to 4,759.46, 7,131.30 and 1,637.78

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Solution

The fourth proportional to 4,759.46, 7,131.30 and 1,637.78 is: 2,453.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759.46 : 7,131.30 = 1,637.78 : x
  2. Step 2: Convert to fraction form
    4,759.46/7,131.30 = 1,637.78/x
  3. Step 3: Cross multiply
    4,759.46x = 7,131.30 × 1,637.78
  4. Step 4: Simplify right side
    4,759.46x = 11,679,464.86
  5. Step 5: Solve for x
    x = 11,679,464.86/4,759.46
  6. Step 6: Final answer
    x = 2,453.95

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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.