Home / 7,512.66-11,276.64-3,620.34

Finding the Fourth Proportional to 7,512.66, 11,276.64 and 3,620.34

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Solution

The fourth proportional to 7,512.66, 11,276.64 and 3,620.34 is: 5,434.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,512.66 : 11,276.64 = 3,620.34 : x
  2. Step 2: Convert to fraction form
    7,512.66/11,276.64 = 3,620.34/x
  3. Step 3: Cross multiply
    7,512.66x = 11,276.64 × 3,620.34
  4. Step 4: Simplify right side
    7,512.66x = 40,825,270.86
  5. Step 5: Solve for x
    x = 40,825,270.86/7,512.66
  6. Step 6: Final answer
    x = 5,434.20

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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.