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Finding the Fourth Proportional to 8,543.34, 11,790.11 and 4,958.02

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Solution

The fourth proportional to 8,543.34, 11,790.11 and 4,958.02 is: 6,842.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,543.34 : 11,790.11 = 4,958.02 : x
  2. Step 2: Convert to fraction form
    8,543.34/11,790.11 = 4,958.02/x
  3. Step 3: Cross multiply
    8,543.34x = 11,790.11 × 4,958.02
  4. Step 4: Simplify right side
    8,543.34x = 58,455,600.43
  5. Step 5: Solve for x
    x = 58,455,600.43/8,543.34
  6. Step 6: Final answer
    x = 6,842.24

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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.