Home / 7,515.52-11,295.18-3,622.66

Finding the Fourth Proportional to 7,515.52, 11,295.18 and 3,622.66

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Solution

The fourth proportional to 7,515.52, 11,295.18 and 3,622.66 is: 5,444.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.52 : 11,295.18 = 3,622.66 : x
  2. Step 2: Convert to fraction form
    7,515.52/11,295.18 = 3,622.66/x
  3. Step 3: Cross multiply
    7,515.52x = 11,295.18 × 3,622.66
  4. Step 4: Simplify right side
    7,515.52x = 40,918,568.54
  5. Step 5: Solve for x
    x = 40,918,568.54/7,515.52
  6. Step 6: Final answer
    x = 5,444.54

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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.