Home / 7,781.46-11,674.35-2,517.33

Finding the Fourth Proportional to 7,781.46, 11,674.35 and 2,517.33

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Solution

The fourth proportional to 7,781.46, 11,674.35 and 2,517.33 is: 3,776.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,781.46 : 11,674.35 = 2,517.33 : x
  2. Step 2: Convert to fraction form
    7,781.46/11,674.35 = 2,517.33/x
  3. Step 3: Cross multiply
    7,781.46x = 11,674.35 × 2,517.33
  4. Step 4: Simplify right side
    7,781.46x = 29,388,191.49
  5. Step 5: Solve for x
    x = 29,388,191.49/7,781.46
  6. Step 6: Final answer
    x = 3,776.69

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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.