Home / 8,938.23-13,408.70-3,317.73

Finding the Fourth Proportional to 8,938.23, 13,408.70 and 3,317.73

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Solution

The fourth proportional to 8,938.23, 13,408.70 and 3,317.73 is: 4,977.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938.23 : 13,408.70 = 3,317.73 : x
  2. Step 2: Convert to fraction form
    8,938.23/13,408.70 = 3,317.73/x
  3. Step 3: Cross multiply
    8,938.23x = 13,408.70 × 3,317.73
  4. Step 4: Simplify right side
    8,938.23x = 44,486,429.66
  5. Step 5: Solve for x
    x = 44,486,429.66/8,938.23
  6. Step 6: Final answer
    x = 4,977.10

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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.