Home / 9,311.52-13,968.60-2,738.16

Finding the Fourth Proportional to 9,311.52, 13,968.60 and 2,738.16

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Solution

The fourth proportional to 9,311.52, 13,968.60 and 2,738.16 is: 4,107.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,311.52 : 13,968.60 = 2,738.16 : x
  2. Step 2: Convert to fraction form
    9,311.52/13,968.60 = 2,738.16/x
  3. Step 3: Cross multiply
    9,311.52x = 13,968.60 × 2,738.16
  4. Step 4: Simplify right side
    9,311.52x = 38,248,261.78
  5. Step 5: Solve for x
    x = 38,248,261.78/9,311.52
  6. Step 6: Final answer
    x = 4,107.63

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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.