Home / 6,173.28-8,519.13-3,378.78

Finding the Fourth Proportional to 6,173.28, 8,519.13 and 3,378.78

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Solution

The fourth proportional to 6,173.28, 8,519.13 and 3,378.78 is: 4,662.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,173.28 : 8,519.13 = 3,378.78 : x
  2. Step 2: Convert to fraction form
    6,173.28/8,519.13 = 3,378.78/x
  3. Step 3: Cross multiply
    6,173.28x = 8,519.13 × 3,378.78
  4. Step 4: Simplify right side
    6,173.28x = 28,784,266.06
  5. Step 5: Solve for x
    x = 28,784,266.06/6,173.28
  6. Step 6: Final answer
    x = 4,662.72

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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.