Home / 6,246.80-8,619.54-3,729.92

Finding the Fourth Proportional to 6,246.80, 8,619.54 and 3,729.92

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Solution

The fourth proportional to 6,246.80, 8,619.54 and 3,729.92 is: 5,146.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,246.80 : 8,619.54 = 3,729.92 : x
  2. Step 2: Convert to fraction form
    6,246.80/8,619.54 = 3,729.92/x
  3. Step 3: Cross multiply
    6,246.80x = 8,619.54 × 3,729.92
  4. Step 4: Simplify right side
    6,246.80x = 32,150,194.64
  5. Step 5: Solve for x
    x = 32,150,194.64/6,246.80
  6. Step 6: Final answer
    x = 5,146.67

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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.