Home / 7,411.64-11,112.23-3,711.22

Finding the Fourth Proportional to 7,411.64, 11,112.23 and 3,711.22

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Solution

The fourth proportional to 7,411.64, 11,112.23 and 3,711.22 is: 5,564.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411.64 : 11,112.23 = 3,711.22 : x
  2. Step 2: Convert to fraction form
    7,411.64/11,112.23 = 3,711.22/x
  3. Step 3: Cross multiply
    7,411.64x = 11,112.23 × 3,711.22
  4. Step 4: Simplify right side
    7,411.64x = 41,239,930.22
  5. Step 5: Solve for x
    x = 41,239,930.22/7,411.64
  6. Step 6: Final answer
    x = 5,564.21

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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.