Home / 6,180.21-8,530.28-3,820.97

Finding the Fourth Proportional to 6,180.21, 8,530.28 and 3,820.97

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Solution

The fourth proportional to 6,180.21, 8,530.28 and 3,820.97 is: 5,273.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,180.21 : 8,530.28 = 3,820.97 : x
  2. Step 2: Convert to fraction form
    6,180.21/8,530.28 = 3,820.97/x
  3. Step 3: Cross multiply
    6,180.21x = 8,530.28 × 3,820.97
  4. Step 4: Simplify right side
    6,180.21x = 32,593,943.97
  5. Step 5: Solve for x
    x = 32,593,943.97/6,180.21
  6. Step 6: Final answer
    x = 5,273.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.