Home / 7,611.23-11,411.39-3,606.38

Finding the Fourth Proportional to 7,611.23, 11,411.39 and 3,606.38

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Solution

The fourth proportional to 7,611.23, 11,411.39 and 3,606.38 is: 5,406.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,611.23 : 11,411.39 = 3,606.38 : x
  2. Step 2: Convert to fraction form
    7,611.23/11,411.39 = 3,606.38/x
  3. Step 3: Cross multiply
    7,611.23x = 11,411.39 × 3,606.38
  4. Step 4: Simplify right side
    7,611.23x = 41,153,733.58
  5. Step 5: Solve for x
    x = 41,153,733.58/7,611.23
  6. Step 6: Final answer
    x = 5,406.98

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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.