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Finding the Fourth Proportional to 5,012.66, 7,518.95 and 3,917.94

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Solution

The fourth proportional to 5,012.66, 7,518.95 and 3,917.94 is: 5,876.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.66 : 7,518.95 = 3,917.94 : x
  2. Step 2: Convert to fraction form
    5,012.66/7,518.95 = 3,917.94/x
  3. Step 3: Cross multiply
    5,012.66x = 7,518.95 × 3,917.94
  4. Step 4: Simplify right side
    5,012.66x = 29,458,775.37
  5. Step 5: Solve for x
    x = 29,458,775.37/5,012.66
  6. Step 6: Final answer
    x = 5,876.88

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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.