Home / 7,799.76-11,724.27-6,717.21

Finding the Fourth Proportional to 7,799.76, 11,724.27 and 6,717.21

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Solution

The fourth proportional to 7,799.76, 11,724.27 and 6,717.21 is: 10,097.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,799.76 : 11,724.27 = 6,717.21 : x
  2. Step 2: Convert to fraction form
    7,799.76/11,724.27 = 6,717.21/x
  3. Step 3: Cross multiply
    7,799.76x = 11,724.27 × 6,717.21
  4. Step 4: Simplify right side
    7,799.76x = 78,754,383.69
  5. Step 5: Solve for x
    x = 78,754,383.69/7,799.76
  6. Step 6: Final answer
    x = 10,097.03

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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.