Home / 6,606.90-9,902.70-3,679.34

Finding the Fourth Proportional to 6,606.90, 9,902.70 and 3,679.34

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Solution

The fourth proportional to 6,606.90, 9,902.70 and 3,679.34 is: 5,514.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,606.90 : 9,902.70 = 3,679.34 : x
  2. Step 2: Convert to fraction form
    6,606.90/9,902.70 = 3,679.34/x
  3. Step 3: Cross multiply
    6,606.90x = 9,902.70 × 3,679.34
  4. Step 4: Simplify right side
    6,606.90x = 36,435,350.70
  5. Step 5: Solve for x
    x = 36,435,350.70/6,606.90
  6. Step 6: Final answer
    x = 5,514.74

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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.