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Finding the Fourth Proportional to 7,952.02, 11,920.26 and 3,790.91

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Solution

The fourth proportional to 7,952.02, 11,920.26 and 3,790.91 is: 5,682.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,952.02 : 11,920.26 = 3,790.91 : x
  2. Step 2: Convert to fraction form
    7,952.02/11,920.26 = 3,790.91/x
  3. Step 3: Cross multiply
    7,952.02x = 11,920.26 × 3,790.91
  4. Step 4: Simplify right side
    7,952.02x = 45,188,632.84
  5. Step 5: Solve for x
    x = 45,188,632.84/7,952.02
  6. Step 6: Final answer
    x = 5,682.66

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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.