Home / 9,179.20-13,761.06-3,981.16

Finding the Fourth Proportional to 9,179.20, 13,761.06 and 3,981.16

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Solution

The fourth proportional to 9,179.20, 13,761.06 and 3,981.16 is: 5,968.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,179.20 : 13,761.06 = 3,981.16 : x
  2. Step 2: Convert to fraction form
    9,179.20/13,761.06 = 3,981.16/x
  3. Step 3: Cross multiply
    9,179.20x = 13,761.06 × 3,981.16
  4. Step 4: Simplify right side
    9,179.20x = 54,784,981.63
  5. Step 5: Solve for x
    x = 54,784,981.63/9,179.20
  6. Step 6: Final answer
    x = 5,968.38

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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.