Home / 7,724.36-11,584.70-3,561.80

Finding the Fourth Proportional to 7,724.36, 11,584.70 and 3,561.80

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Solution

The fourth proportional to 7,724.36, 11,584.70 and 3,561.80 is: 5,341.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724.36 : 11,584.70 = 3,561.80 : x
  2. Step 2: Convert to fraction form
    7,724.36/11,584.70 = 3,561.80/x
  3. Step 3: Cross multiply
    7,724.36x = 11,584.70 × 3,561.80
  4. Step 4: Simplify right side
    7,724.36x = 41,262,384.46
  5. Step 5: Solve for x
    x = 41,262,384.46/7,724.36
  6. Step 6: Final answer
    x = 5,341.85

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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.