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Finding the Fourth Proportional to 8,938.31, 13,407.50 and 3,676.19

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Solution

The fourth proportional to 8,938.31, 13,407.50 and 3,676.19 is: 5,514.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938.31 : 13,407.50 = 3,676.19 : x
  2. Step 2: Convert to fraction form
    8,938.31/13,407.50 = 3,676.19/x
  3. Step 3: Cross multiply
    8,938.31x = 13,407.50 × 3,676.19
  4. Step 4: Simplify right side
    8,938.31x = 49,288,459.58
  5. Step 5: Solve for x
    x = 49,288,459.58/8,938.31
  6. Step 6: Final answer
    x = 5,514.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.