Home / 6,781.28-10,173.45-3,661.22

Finding the Fourth Proportional to 6,781.28, 10,173.45 and 3,661.22

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Solution

The fourth proportional to 6,781.28, 10,173.45 and 3,661.22 is: 5,492.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781.28 : 10,173.45 = 3,661.22 : x
  2. Step 2: Convert to fraction form
    6,781.28/10,173.45 = 3,661.22/x
  3. Step 3: Cross multiply
    6,781.28x = 10,173.45 × 3,661.22
  4. Step 4: Simplify right side
    6,781.28x = 37,247,220.30
  5. Step 5: Solve for x
    x = 37,247,220.30/6,781.28
  6. Step 6: Final answer
    x = 5,492.66

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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.