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Finding the Fourth Proportional to 8,591.10, 11,855.67 and 4,864.86

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Solution

The fourth proportional to 8,591.10, 11,855.67 and 4,864.86 is: 6,713.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,591.10 : 11,855.67 = 4,864.86 : x
  2. Step 2: Convert to fraction form
    8,591.10/11,855.67 = 4,864.86/x
  3. Step 3: Cross multiply
    8,591.10x = 11,855.67 × 4,864.86
  4. Step 4: Simplify right side
    8,591.10x = 57,676,174.76
  5. Step 5: Solve for x
    x = 57,676,174.76/8,591.10
  6. Step 6: Final answer
    x = 6,713.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.