Home / 8,247.34-12,372.22-2,982.74

Finding the Fourth Proportional to 8,247.34, 12,372.22 and 2,982.74

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Solution

The fourth proportional to 8,247.34, 12,372.22 and 2,982.74 is: 4,474.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.34 : 12,372.22 = 2,982.74 : x
  2. Step 2: Convert to fraction form
    8,247.34/12,372.22 = 2,982.74/x
  3. Step 3: Cross multiply
    8,247.34x = 12,372.22 × 2,982.74
  4. Step 4: Simplify right side
    8,247.34x = 36,903,100.57
  5. Step 5: Solve for x
    x = 36,903,100.57/8,247.34
  6. Step 6: Final answer
    x = 4,474.55

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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.