Home / 7,318.26-10,981.71-3,622.50

Finding the Fourth Proportional to 7,318.26, 10,981.71 and 3,622.50

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Solution

The fourth proportional to 7,318.26, 10,981.71 and 3,622.50 is: 5,435.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.26 : 10,981.71 = 3,622.50 : x
  2. Step 2: Convert to fraction form
    7,318.26/10,981.71 = 3,622.50/x
  3. Step 3: Cross multiply
    7,318.26x = 10,981.71 × 3,622.50
  4. Step 4: Simplify right side
    7,318.26x = 39,781,244.48
  5. Step 5: Solve for x
    x = 39,781,244.48/7,318.26
  6. Step 6: Final answer
    x = 5,435.89

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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.