Home / 8,440.46-12,661.70-3,513.43

Finding the Fourth Proportional to 8,440.46, 12,661.70 and 3,513.43

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Solution

The fourth proportional to 8,440.46, 12,661.70 and 3,513.43 is: 5,270.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440.46 : 12,661.70 = 3,513.43 : x
  2. Step 2: Convert to fraction form
    8,440.46/12,661.70 = 3,513.43/x
  3. Step 3: Cross multiply
    8,440.46x = 12,661.70 × 3,513.43
  4. Step 4: Simplify right side
    8,440.46x = 44,485,996.63
  5. Step 5: Solve for x
    x = 44,485,996.63/8,440.46
  6. Step 6: Final answer
    x = 5,270.57

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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.