Home / 8,608.14-11,877.30-5,071.68

Finding the Fourth Proportional to 8,608.14, 11,877.30 and 5,071.68

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Solution

The fourth proportional to 8,608.14, 11,877.30 and 5,071.68 is: 6,997.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,608.14 : 11,877.30 = 5,071.68 : x
  2. Step 2: Convert to fraction form
    8,608.14/11,877.30 = 5,071.68/x
  3. Step 3: Cross multiply
    8,608.14x = 11,877.30 × 5,071.68
  4. Step 4: Simplify right side
    8,608.14x = 60,237,864.86
  5. Step 5: Solve for x
    x = 60,237,864.86/8,608.14
  6. Step 6: Final answer
    x = 6,997.78

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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.