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Finding the Fourth Proportional to 8,556, 11,806.48 and 5,018.54

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Solution

The fourth proportional to 8,556, 11,806.48 and 5,018.54 is: 6,925.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556 : 11,806.48 = 5,018.54 : x
  2. Step 2: Convert to fraction form
    8,556/11,806.48 = 5,018.54/x
  3. Step 3: Cross multiply
    8,556x = 11,806.48 × 5,018.54
  4. Step 4: Simplify right side
    8,556x = 59,251,292.14
  5. Step 5: Solve for x
    x = 59,251,292.14/8,556
  6. Step 6: Final answer
    x = 6,925.12

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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.