Home / 7,786.28-11,679.44-4,330.82

Finding the Fourth Proportional to 7,786.28, 11,679.44 and 4,330.82

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Solution

The fourth proportional to 7,786.28, 11,679.44 and 4,330.82 is: 6,496.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,786.28 : 11,679.44 = 4,330.82 : x
  2. Step 2: Convert to fraction form
    7,786.28/11,679.44 = 4,330.82/x
  3. Step 3: Cross multiply
    7,786.28x = 11,679.44 × 4,330.82
  4. Step 4: Simplify right side
    7,786.28x = 50,581,518.55
  5. Step 5: Solve for x
    x = 50,581,518.55/7,786.28
  6. Step 6: Final answer
    x = 6,496.24

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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.