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Finding the Fourth Proportional to 5,801.76, 8,703.94 and 2,515.38

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Solution

The fourth proportional to 5,801.76, 8,703.94 and 2,515.38 is: 3,773.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,801.76 : 8,703.94 = 2,515.38 : x
  2. Step 2: Convert to fraction form
    5,801.76/8,703.94 = 2,515.38/x
  3. Step 3: Cross multiply
    5,801.76x = 8,703.94 × 2,515.38
  4. Step 4: Simplify right side
    5,801.76x = 21,893,716.60
  5. Step 5: Solve for x
    x = 21,893,716.60/5,801.76
  6. Step 6: Final answer
    x = 3,773.63

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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.