Home / 4,815.32-7,218.77-1,893.02

Finding the Fourth Proportional to 4,815.32, 7,218.77 and 1,893.02

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Solution

The fourth proportional to 4,815.32, 7,218.77 and 1,893.02 is: 2,837.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.32 : 7,218.77 = 1,893.02 : x
  2. Step 2: Convert to fraction form
    4,815.32/7,218.77 = 1,893.02/x
  3. Step 3: Cross multiply
    4,815.32x = 7,218.77 × 1,893.02
  4. Step 4: Simplify right side
    4,815.32x = 13,665,230.43
  5. Step 5: Solve for x
    x = 13,665,230.43/4,815.32
  6. Step 6: Final answer
    x = 2,837.87

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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.