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Finding the Fourth Proportional to 4,375.83, 6,564.96 and 1,910.87

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Solution

The fourth proportional to 4,375.83, 6,564.96 and 1,910.87 is: 2,866.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,375.83 : 6,564.96 = 1,910.87 : x
  2. Step 2: Convert to fraction form
    4,375.83/6,564.96 = 1,910.87/x
  3. Step 3: Cross multiply
    4,375.83x = 6,564.96 × 1,910.87
  4. Step 4: Simplify right side
    4,375.83x = 12,544,752.29
  5. Step 5: Solve for x
    x = 12,544,752.29/4,375.83
  6. Step 6: Final answer
    x = 2,866.83

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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.