Home / 9,134.32-13,704.36-3,942.64

Finding the Fourth Proportional to 9,134.32, 13,704.36 and 3,942.64

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Solution

The fourth proportional to 9,134.32, 13,704.36 and 3,942.64 is: 5,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,134.32 : 13,704.36 = 3,942.64 : x
  2. Step 2: Convert to fraction form
    9,134.32/13,704.36 = 3,942.64/x
  3. Step 3: Cross multiply
    9,134.32x = 13,704.36 × 3,942.64
  4. Step 4: Simplify right side
    9,134.32x = 54,031,357.91
  5. Step 5: Solve for x
    x = 54,031,357.91/9,134.32
  6. Step 6: Final answer
    x = 5,915.20

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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.