Home / 5,919.31-8,877.41-1,758.21

Finding the Fourth Proportional to 5,919.31, 8,877.41 and 1,758.21

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Solution

The fourth proportional to 5,919.31, 8,877.41 and 1,758.21 is: 2,636.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.31 : 8,877.41 = 1,758.21 : x
  2. Step 2: Convert to fraction form
    5,919.31/8,877.41 = 1,758.21/x
  3. Step 3: Cross multiply
    5,919.31x = 8,877.41 × 1,758.21
  4. Step 4: Simplify right side
    5,919.31x = 15,608,351.04
  5. Step 5: Solve for x
    x = 15,608,351.04/5,919.31
  6. Step 6: Final answer
    x = 2,636.85

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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.