Home / 9,958.40-14,939.58-2,938.54

Finding the Fourth Proportional to 9,958.40, 14,939.58 and 2,938.54

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Solution

The fourth proportional to 9,958.40, 14,939.58 and 2,938.54 is: 4,408.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,958.40 : 14,939.58 = 2,938.54 : x
  2. Step 2: Convert to fraction form
    9,958.40/14,939.58 = 2,938.54/x
  3. Step 3: Cross multiply
    9,958.40x = 14,939.58 × 2,938.54
  4. Step 4: Simplify right side
    9,958.40x = 43,900,553.41
  5. Step 5: Solve for x
    x = 43,900,553.41/9,958.40
  6. Step 6: Final answer
    x = 4,408.39

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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.