Home / 7,561.67-11,344.80-3,866.49

Finding the Fourth Proportional to 7,561.67, 11,344.80 and 3,866.49

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Solution

The fourth proportional to 7,561.67, 11,344.80 and 3,866.49 is: 5,800.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,561.67 : 11,344.80 = 3,866.49 : x
  2. Step 2: Convert to fraction form
    7,561.67/11,344.80 = 3,866.49/x
  3. Step 3: Cross multiply
    7,561.67x = 11,344.80 × 3,866.49
  4. Step 4: Simplify right side
    7,561.67x = 43,864,555.75
  5. Step 5: Solve for x
    x = 43,864,555.75/7,561.67
  6. Step 6: Final answer
    x = 5,800.91

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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.