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Finding the Fourth Proportional to 7,137.49, 9,849.49 and 3,950.93

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Solution

The fourth proportional to 7,137.49, 9,849.49 and 3,950.93 is: 5,452.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137.49 : 9,849.49 = 3,950.93 : x
  2. Step 2: Convert to fraction form
    7,137.49/9,849.49 = 3,950.93/x
  3. Step 3: Cross multiply
    7,137.49x = 9,849.49 × 3,950.93
  4. Step 4: Simplify right side
    7,137.49x = 38,914,624.31
  5. Step 5: Solve for x
    x = 38,914,624.31/7,137.49
  6. Step 6: Final answer
    x = 5,452.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.