Home / 7,794.76-11,682.96-5,127.70

Finding the Fourth Proportional to 7,794.76, 11,682.96 and 5,127.70

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Solution

The fourth proportional to 7,794.76, 11,682.96 and 5,127.70 is: 7,685.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,794.76 : 11,682.96 = 5,127.70 : x
  2. Step 2: Convert to fraction form
    7,794.76/11,682.96 = 5,127.70/x
  3. Step 3: Cross multiply
    7,794.76x = 11,682.96 × 5,127.70
  4. Step 4: Simplify right side
    7,794.76x = 59,906,713.99
  5. Step 5: Solve for x
    x = 59,906,713.99/7,794.76
  6. Step 6: Final answer
    x = 7,685.51

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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.