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Finding the Fourth Proportional to 5,991.10, 8,989.89 and 3,071.86

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Solution

The fourth proportional to 5,991.10, 8,989.89 and 3,071.86 is: 4,609.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,991.10 : 8,989.89 = 3,071.86 : x
  2. Step 2: Convert to fraction form
    5,991.10/8,989.89 = 3,071.86/x
  3. Step 3: Cross multiply
    5,991.10x = 8,989.89 × 3,071.86
  4. Step 4: Simplify right side
    5,991.10x = 27,615,649.50
  5. Step 5: Solve for x
    x = 27,615,649.50/5,991.10
  6. Step 6: Final answer
    x = 4,609.45

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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.