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Finding the Fourth Proportional to 4,999.77, 7,500.94 and 1,712.86

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Solution

The fourth proportional to 4,999.77, 7,500.94 and 1,712.86 is: 2,569.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999.77 : 7,500.94 = 1,712.86 : x
  2. Step 2: Convert to fraction form
    4,999.77/7,500.94 = 1,712.86/x
  3. Step 3: Cross multiply
    4,999.77x = 7,500.94 × 1,712.86
  4. Step 4: Simplify right side
    4,999.77x = 12,848,037.05
  5. Step 5: Solve for x
    x = 12,848,037.05/4,999.77
  6. Step 6: Final answer
    x = 2,569.73

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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.