Home / 8,947.89-13,421.43-3,104.96

Finding the Fourth Proportional to 8,947.89, 13,421.43 and 3,104.96

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Solution

The fourth proportional to 8,947.89, 13,421.43 and 3,104.96 is: 4,657.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947.89 : 13,421.43 = 3,104.96 : x
  2. Step 2: Convert to fraction form
    8,947.89/13,421.43 = 3,104.96/x
  3. Step 3: Cross multiply
    8,947.89x = 13,421.43 × 3,104.96
  4. Step 4: Simplify right side
    8,947.89x = 41,672,936.19
  5. Step 5: Solve for x
    x = 41,672,936.19/8,947.89
  6. Step 6: Final answer
    x = 4,657.29

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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.