Home / 6,031.28-8,322.96-3,378.80

Finding the Fourth Proportional to 6,031.28, 8,322.96 and 3,378.80

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Solution

The fourth proportional to 6,031.28, 8,322.96 and 3,378.80 is: 4,662.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,031.28 : 8,322.96 = 3,378.80 : x
  2. Step 2: Convert to fraction form
    6,031.28/8,322.96 = 3,378.80/x
  3. Step 3: Cross multiply
    6,031.28x = 8,322.96 × 3,378.80
  4. Step 4: Simplify right side
    6,031.28x = 28,121,617.25
  5. Step 5: Solve for x
    x = 28,121,617.25/6,031.28
  6. Step 6: Final answer
    x = 4,662.63

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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.