Home / 8,828.90-13,241.88-2,905.86

Finding the Fourth Proportional to 8,828.90, 13,241.88 and 2,905.86

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Solution

The fourth proportional to 8,828.90, 13,241.88 and 2,905.86 is: 4,358.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,828.90 : 13,241.88 = 2,905.86 : x
  2. Step 2: Convert to fraction form
    8,828.90/13,241.88 = 2,905.86/x
  3. Step 3: Cross multiply
    8,828.90x = 13,241.88 × 2,905.86
  4. Step 4: Simplify right side
    8,828.90x = 38,479,049.42
  5. Step 5: Solve for x
    x = 38,479,049.42/8,828.90
  6. Step 6: Final answer
    x = 4,358.31

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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.