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Finding the Fourth Proportional to 8,773.90, 13,161.42 and 6,302.62

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Solution

The fourth proportional to 8,773.90, 13,161.42 and 6,302.62 is: 9,454.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,773.90 : 13,161.42 = 6,302.62 : x
  2. Step 2: Convert to fraction form
    8,773.90/13,161.42 = 6,302.62/x
  3. Step 3: Cross multiply
    8,773.90x = 13,161.42 × 6,302.62
  4. Step 4: Simplify right side
    8,773.90x = 82,951,428.92
  5. Step 5: Solve for x
    x = 82,951,428.92/8,773.90
  6. Step 6: Final answer
    x = 9,454.34

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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.