Home / 8,479.24-12,704.92-2,929.56

Finding the Fourth Proportional to 8,479.24, 12,704.92 and 2,929.56

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Solution

The fourth proportional to 8,479.24, 12,704.92 and 2,929.56 is: 4,389.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,479.24 : 12,704.92 = 2,929.56 : x
  2. Step 2: Convert to fraction form
    8,479.24/12,704.92 = 2,929.56/x
  3. Step 3: Cross multiply
    8,479.24x = 12,704.92 × 2,929.56
  4. Step 4: Simplify right side
    8,479.24x = 37,219,825.44
  5. Step 5: Solve for x
    x = 37,219,825.44/8,479.24
  6. Step 6: Final answer
    x = 4,389.52

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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.