Home / 8,919.90-13,375.53-3,074.94

Finding the Fourth Proportional to 8,919.90, 13,375.53 and 3,074.94

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Solution

The fourth proportional to 8,919.90, 13,375.53 and 3,074.94 is: 4,610.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,919.90 : 13,375.53 = 3,074.94 : x
  2. Step 2: Convert to fraction form
    8,919.90/13,375.53 = 3,074.94/x
  3. Step 3: Cross multiply
    8,919.90x = 13,375.53 × 3,074.94
  4. Step 4: Simplify right side
    8,919.90x = 41,128,952.22
  5. Step 5: Solve for x
    x = 41,128,952.22/8,919.90
  6. Step 6: Final answer
    x = 4,610.92

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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.