Home / 5,110.48-7,645.74-3,881.44

Finding the Fourth Proportional to 5,110.48, 7,645.74 and 3,881.44

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Solution

The fourth proportional to 5,110.48, 7,645.74 and 3,881.44 is: 5,806.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.48 : 7,645.74 = 3,881.44 : x
  2. Step 2: Convert to fraction form
    5,110.48/7,645.74 = 3,881.44/x
  3. Step 3: Cross multiply
    5,110.48x = 7,645.74 × 3,881.44
  4. Step 4: Simplify right side
    5,110.48x = 29,676,481.07
  5. Step 5: Solve for x
    x = 29,676,481.07/5,110.48
  6. Step 6: Final answer
    x = 5,806.99

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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.