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Finding the Fourth Proportional to 7,300.97, 10,933.92 and 4,171.49

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Solution

The fourth proportional to 7,300.97, 10,933.92 and 4,171.49 is: 6,247.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,300.97 : 10,933.92 = 4,171.49 : x
  2. Step 2: Convert to fraction form
    7,300.97/10,933.92 = 4,171.49/x
  3. Step 3: Cross multiply
    7,300.97x = 10,933.92 × 4,171.49
  4. Step 4: Simplify right side
    7,300.97x = 45,610,737.94
  5. Step 5: Solve for x
    x = 45,610,737.94/7,300.97
  6. Step 6: Final answer
    x = 6,247.22

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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.