Home / 8,722.46-13,084.58-2,797.88

Finding the Fourth Proportional to 8,722.46, 13,084.58 and 2,797.88

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Solution

The fourth proportional to 8,722.46, 13,084.58 and 2,797.88 is: 4,197.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.46 : 13,084.58 = 2,797.88 : x
  2. Step 2: Convert to fraction form
    8,722.46/13,084.58 = 2,797.88/x
  3. Step 3: Cross multiply
    8,722.46x = 13,084.58 × 2,797.88
  4. Step 4: Simplify right side
    8,722.46x = 36,609,124.40
  5. Step 5: Solve for x
    x = 36,609,124.40/8,722.46
  6. Step 6: Final answer
    x = 4,197.11

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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.