Home / 7,958.29-11,938.17-3,277.21

Finding the Fourth Proportional to 7,958.29, 11,938.17 and 3,277.21

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Solution

The fourth proportional to 7,958.29, 11,938.17 and 3,277.21 is: 4,916.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,958.29 : 11,938.17 = 3,277.21 : x
  2. Step 2: Convert to fraction form
    7,958.29/11,938.17 = 3,277.21/x
  3. Step 3: Cross multiply
    7,958.29x = 11,938.17 × 3,277.21
  4. Step 4: Simplify right side
    7,958.29x = 39,123,890.11
  5. Step 5: Solve for x
    x = 39,123,890.11/7,958.29
  6. Step 6: Final answer
    x = 4,916.12

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1.5x scale

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.