Home / 6,246.08-8,615.82-4,120.86

Finding the Fourth Proportional to 6,246.08, 8,615.82 and 4,120.86

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Solution

The fourth proportional to 6,246.08, 8,615.82 and 4,120.86 is: 5,684.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,246.08 : 8,615.82 = 4,120.86 : x
  2. Step 2: Convert to fraction form
    6,246.08/8,615.82 = 4,120.86/x
  3. Step 3: Cross multiply
    6,246.08x = 8,615.82 × 4,120.86
  4. Step 4: Simplify right side
    6,246.08x = 35,504,588.01
  5. Step 5: Solve for x
    x = 35,504,588.01/6,246.08
  6. Step 6: Final answer
    x = 5,684.30

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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.