Home / 7,664.66-11,480.82-3,508.17

Finding the Fourth Proportional to 7,664.66, 11,480.82 and 3,508.17

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Solution

The fourth proportional to 7,664.66, 11,480.82 and 3,508.17 is: 5,254.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.66 : 11,480.82 = 3,508.17 : x
  2. Step 2: Convert to fraction form
    7,664.66/11,480.82 = 3,508.17/x
  3. Step 3: Cross multiply
    7,664.66x = 11,480.82 × 3,508.17
  4. Step 4: Simplify right side
    7,664.66x = 40,276,668.30
  5. Step 5: Solve for x
    x = 40,276,668.30/7,664.66
  6. Step 6: Final answer
    x = 5,254.85

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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.