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Finding the Fourth Proportional to 6,357.15, 8,766.72 and 4,468.14

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Solution

The fourth proportional to 6,357.15, 8,766.72 and 4,468.14 is: 6,161.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,357.15 : 8,766.72 = 4,468.14 : x
  2. Step 2: Convert to fraction form
    6,357.15/8,766.72 = 4,468.14/x
  3. Step 3: Cross multiply
    6,357.15x = 8,766.72 × 4,468.14
  4. Step 4: Simplify right side
    6,357.15x = 39,170,932.30
  5. Step 5: Solve for x
    x = 39,170,932.30/6,357.15
  6. Step 6: Final answer
    x = 6,161.71

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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.