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Finding the Fourth Proportional to 6,602.08, 9,905.40 and 4,133.96

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Solution

The fourth proportional to 6,602.08, 9,905.40 and 4,133.96 is: 6,202.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,602.08 : 9,905.40 = 4,133.96 : x
  2. Step 2: Convert to fraction form
    6,602.08/9,905.40 = 4,133.96/x
  3. Step 3: Cross multiply
    6,602.08x = 9,905.40 × 4,133.96
  4. Step 4: Simplify right side
    6,602.08x = 40,948,527.38
  5. Step 5: Solve for x
    x = 40,948,527.38/6,602.08
  6. Step 6: Final answer
    x = 6,202.37

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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.