Home / 8,869.57-13,304.63-3,321.86

Finding the Fourth Proportional to 8,869.57, 13,304.63 and 3,321.86

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Solution

The fourth proportional to 8,869.57, 13,304.63 and 3,321.86 is: 4,982.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869.57 : 13,304.63 = 3,321.86 : x
  2. Step 2: Convert to fraction form
    8,869.57/13,304.63 = 3,321.86/x
  3. Step 3: Cross multiply
    8,869.57x = 13,304.63 × 3,321.86
  4. Step 4: Simplify right side
    8,869.57x = 44,196,118.21
  5. Step 5: Solve for x
    x = 44,196,118.21/8,869.57
  6. Step 6: Final answer
    x = 4,982.89

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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.