Home / 7,391.25-11,089.92-5,426.91

Finding the Fourth Proportional to 7,391.25, 11,089.92 and 5,426.91

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Solution

The fourth proportional to 7,391.25, 11,089.92 and 5,426.91 is: 8,142.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391.25 : 11,089.92 = 5,426.91 : x
  2. Step 2: Convert to fraction form
    7,391.25/11,089.92 = 5,426.91/x
  3. Step 3: Cross multiply
    7,391.25x = 11,089.92 × 5,426.91
  4. Step 4: Simplify right side
    7,391.25x = 60,183,997.75
  5. Step 5: Solve for x
    x = 60,183,997.75/7,391.25
  6. Step 6: Final answer
    x = 8,142.60

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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.