Home / 8,374.72-12,551.76-3,441.28

Finding the Fourth Proportional to 8,374.72, 12,551.76 and 3,441.28

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Solution

The fourth proportional to 8,374.72, 12,551.76 and 3,441.28 is: 5,157.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374.72 : 12,551.76 = 3,441.28 : x
  2. Step 2: Convert to fraction form
    8,374.72/12,551.76 = 3,441.28/x
  3. Step 3: Cross multiply
    8,374.72x = 12,551.76 × 3,441.28
  4. Step 4: Simplify right side
    8,374.72x = 43,194,120.65
  5. Step 5: Solve for x
    x = 43,194,120.65/8,374.72
  6. Step 6: Final answer
    x = 5,157.68

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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.