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Finding the Fourth Proportional to 8,924.58, 13,379.58 and 3,376.89

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Solution

The fourth proportional to 8,924.58, 13,379.58 and 3,376.89 is: 5,062.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,924.58 : 13,379.58 = 3,376.89 : x
  2. Step 2: Convert to fraction form
    8,924.58/13,379.58 = 3,376.89/x
  3. Step 3: Cross multiply
    8,924.58x = 13,379.58 × 3,376.89
  4. Step 4: Simplify right side
    8,924.58x = 45,181,369.91
  5. Step 5: Solve for x
    x = 45,181,369.91/8,924.58
  6. Step 6: Final answer
    x = 5,062.58

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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.