Home / 6,461.12-9,694.08-3,380.96

Finding the Fourth Proportional to 6,461.12, 9,694.08 and 3,380.96

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Solution

The fourth proportional to 6,461.12, 9,694.08 and 3,380.96 is: 5,072.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,461.12 : 9,694.08 = 3,380.96 : x
  2. Step 2: Convert to fraction form
    6,461.12/9,694.08 = 3,380.96/x
  3. Step 3: Cross multiply
    6,461.12x = 9,694.08 × 3,380.96
  4. Step 4: Simplify right side
    6,461.12x = 32,775,296.72
  5. Step 5: Solve for x
    x = 32,775,296.72/6,461.12
  6. Step 6: Final answer
    x = 5,072.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.