Home / 6,781.46-10,191.63-3,321.14

Finding the Fourth Proportional to 6,781.46, 10,191.63 and 3,321.14

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Solution

The fourth proportional to 6,781.46, 10,191.63 and 3,321.14 is: 4,991.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781.46 : 10,191.63 = 3,321.14 : x
  2. Step 2: Convert to fraction form
    6,781.46/10,191.63 = 3,321.14/x
  3. Step 3: Cross multiply
    6,781.46x = 10,191.63 × 3,321.14
  4. Step 4: Simplify right side
    6,781.46x = 33,847,830.06
  5. Step 5: Solve for x
    x = 33,847,830.06/6,781.46
  6. Step 6: Final answer
    x = 4,991.23

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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.