Home / 4,167.75-6,251.69-1,089.75

Finding the Fourth Proportional to 4,167.75, 6,251.69 and 1,089.75

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Solution

The fourth proportional to 4,167.75, 6,251.69 and 1,089.75 is: 1,634.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,167.75 : 6,251.69 = 1,089.75 : x
  2. Step 2: Convert to fraction form
    4,167.75/6,251.69 = 1,089.75/x
  3. Step 3: Cross multiply
    4,167.75x = 6,251.69 × 1,089.75
  4. Step 4: Simplify right side
    4,167.75x = 6,812,773.73
  5. Step 5: Solve for x
    x = 6,812,773.73/4,167.75
  6. Step 6: Final answer
    x = 1,634.64

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1.5x scale

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.