Home / 5,512.82-7,618.32-4,098.56

Finding the Fourth Proportional to 5,512.82, 7,618.32 and 4,098.56

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Solution

The fourth proportional to 5,512.82, 7,618.32 and 4,098.56 is: 5,663.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512.82 : 7,618.32 = 4,098.56 : x
  2. Step 2: Convert to fraction form
    5,512.82/7,618.32 = 4,098.56/x
  3. Step 3: Cross multiply
    5,512.82x = 7,618.32 × 4,098.56
  4. Step 4: Simplify right side
    5,512.82x = 31,224,141.62
  5. Step 5: Solve for x
    x = 31,224,141.62/5,512.82
  6. Step 6: Final answer
    x = 5,663.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.