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Finding the Fourth Proportional to 7,562.71, 11,336.77 and 3,866.68

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Solution

The fourth proportional to 7,562.71, 11,336.77 and 3,866.68 is: 5,796.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,562.71 : 11,336.77 = 3,866.68 : x
  2. Step 2: Convert to fraction form
    7,562.71/11,336.77 = 3,866.68/x
  3. Step 3: Cross multiply
    7,562.71x = 11,336.77 × 3,866.68
  4. Step 4: Simplify right side
    7,562.71x = 43,835,661.82
  5. Step 5: Solve for x
    x = 43,835,661.82/7,562.71
  6. Step 6: Final answer
    x = 5,796.29

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1.5x scale

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.