Home / 7,658.24-11,485.92-2,727.86

Finding the Fourth Proportional to 7,658.24, 11,485.92 and 2,727.86

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Solution

The fourth proportional to 7,658.24, 11,485.92 and 2,727.86 is: 4,091.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,658.24 : 11,485.92 = 2,727.86 : x
  2. Step 2: Convert to fraction form
    7,658.24/11,485.92 = 2,727.86/x
  3. Step 3: Cross multiply
    7,658.24x = 11,485.92 × 2,727.86
  4. Step 4: Simplify right side
    7,658.24x = 31,331,981.73
  5. Step 5: Solve for x
    x = 31,331,981.73/7,658.24
  6. Step 6: Final answer
    x = 4,091.28

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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.