Home / 5,781.75-8,674.07-1,677.75

Finding the Fourth Proportional to 5,781.75, 8,674.07 and 1,677.75

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Solution

The fourth proportional to 5,781.75, 8,674.07 and 1,677.75 is: 2,517.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781.75 : 8,674.07 = 1,677.75 : x
  2. Step 2: Convert to fraction form
    5,781.75/8,674.07 = 1,677.75/x
  3. Step 3: Cross multiply
    5,781.75x = 8,674.07 × 1,677.75
  4. Step 4: Simplify right side
    5,781.75x = 14,552,912.55
  5. Step 5: Solve for x
    x = 14,552,912.55/5,781.75
  6. Step 6: Final answer
    x = 2,517.04

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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.