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Finding the Fourth Proportional to 6,402.90, 9,609.87 and 2,508.42

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Solution

The fourth proportional to 6,402.90, 9,609.87 and 2,508.42 is: 3,764.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,402.90 : 9,609.87 = 2,508.42 : x
  2. Step 2: Convert to fraction form
    6,402.90/9,609.87 = 2,508.42/x
  3. Step 3: Cross multiply
    6,402.90x = 9,609.87 × 2,508.42
  4. Step 4: Simplify right side
    6,402.90x = 24,105,590.11
  5. Step 5: Solve for x
    x = 24,105,590.11/6,402.90
  6. Step 6: Final answer
    x = 3,764.79

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1.5x scale

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.