Home / 6,246.95-8,619.37-3,729.88

Finding the Fourth Proportional to 6,246.95, 8,619.37 and 3,729.88

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Solution

The fourth proportional to 6,246.95, 8,619.37 and 3,729.88 is: 5,146.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,246.95 : 8,619.37 = 3,729.88 : x
  2. Step 2: Convert to fraction form
    6,246.95/8,619.37 = 3,729.88/x
  3. Step 3: Cross multiply
    6,246.95x = 8,619.37 × 3,729.88
  4. Step 4: Simplify right side
    6,246.95x = 32,149,179.23
  5. Step 5: Solve for x
    x = 32,149,179.23/6,246.95
  6. Step 6: Final answer
    x = 5,146.38

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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.