Home / 8,344.90-12,519.78-3,956.32

Finding the Fourth Proportional to 8,344.90, 12,519.78 and 3,956.32

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Solution

The fourth proportional to 8,344.90, 12,519.78 and 3,956.32 is: 5,935.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,344.90 : 12,519.78 = 3,956.32 : x
  2. Step 2: Convert to fraction form
    8,344.90/12,519.78 = 3,956.32/x
  3. Step 3: Cross multiply
    8,344.90x = 12,519.78 × 3,956.32
  4. Step 4: Simplify right side
    8,344.90x = 49,532,256.01
  5. Step 5: Solve for x
    x = 49,532,256.01/8,344.90
  6. Step 6: Final answer
    x = 5,935.63

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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.