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Finding the Fourth Proportional to 8,829.66, 13,242.32 and 2,673.66

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Solution

The fourth proportional to 8,829.66, 13,242.32 and 2,673.66 is: 4,009.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,829.66 : 13,242.32 = 2,673.66 : x
  2. Step 2: Convert to fraction form
    8,829.66/13,242.32 = 2,673.66/x
  3. Step 3: Cross multiply
    8,829.66x = 13,242.32 × 2,673.66
  4. Step 4: Simplify right side
    8,829.66x = 35,405,461.29
  5. Step 5: Solve for x
    x = 35,405,461.29/8,829.66
  6. Step 6: Final answer
    x = 4,009.83

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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.