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Finding the Fourth Proportional to 6,246.88, 8,620.72 and 3,452.40

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Solution

The fourth proportional to 6,246.88, 8,620.72 and 3,452.40 is: 4,764.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,246.88 : 8,620.72 = 3,452.40 : x
  2. Step 2: Convert to fraction form
    6,246.88/8,620.72 = 3,452.40/x
  3. Step 3: Cross multiply
    6,246.88x = 8,620.72 × 3,452.40
  4. Step 4: Simplify right side
    6,246.88x = 29,762,173.73
  5. Step 5: Solve for x
    x = 29,762,173.73/6,246.88
  6. Step 6: Final answer
    x = 4,764.33

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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.