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Finding the Fourth Proportional to 6,379.30, 8,800.96 and 4,704.68

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Solution

The fourth proportional to 6,379.30, 8,800.96 and 4,704.68 is: 6,490.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,379.30 : 8,800.96 = 4,704.68 : x
  2. Step 2: Convert to fraction form
    6,379.30/8,800.96 = 4,704.68/x
  3. Step 3: Cross multiply
    6,379.30x = 8,800.96 × 4,704.68
  4. Step 4: Simplify right side
    6,379.30x = 41,405,700.49
  5. Step 5: Solve for x
    x = 41,405,700.49/6,379.30
  6. Step 6: Final answer
    x = 6,490.63

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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.