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Finding the Fourth Proportional to 5,842.11, 8,761.11 and 1,681.00

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Solution

The fourth proportional to 5,842.11, 8,761.11 and 1,681.00 is: 2,520.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,842.11 : 8,761.11 = 1,681.00 : x
  2. Step 2: Convert to fraction form
    5,842.11/8,761.11 = 1,681.00/x
  3. Step 3: Cross multiply
    5,842.11x = 8,761.11 × 1,681.00
  4. Step 4: Simplify right side
    5,842.11x = 14,727,431.38
  5. Step 5: Solve for x
    x = 14,727,431.38/5,842.11
  6. Step 6: Final answer
    x = 2,520.91

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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.