Home / 8,503.20-12,755.04-2,956.80

Finding the Fourth Proportional to 8,503.20, 12,755.04 and 2,956.80

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Solution

The fourth proportional to 8,503.20, 12,755.04 and 2,956.80 is: 4,435.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503.20 : 12,755.04 = 2,956.80 : x
  2. Step 2: Convert to fraction form
    8,503.20/12,755.04 = 2,956.80/x
  3. Step 3: Cross multiply
    8,503.20x = 12,755.04 × 2,956.80
  4. Step 4: Simplify right side
    8,503.20x = 37,714,102.27
  5. Step 5: Solve for x
    x = 37,714,102.27/8,503.20
  6. Step 6: Final answer
    x = 4,435.28

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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.