Home / 5,639.03-8,458.73-1,941.22

Finding the Fourth Proportional to 5,639.03, 8,458.73 and 1,941.22

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Solution

The fourth proportional to 5,639.03, 8,458.73 and 1,941.22 is: 2,911.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639.03 : 8,458.73 = 1,941.22 : x
  2. Step 2: Convert to fraction form
    5,639.03/8,458.73 = 1,941.22/x
  3. Step 3: Cross multiply
    5,639.03x = 8,458.73 × 1,941.22
  4. Step 4: Simplify right side
    5,639.03x = 16,420,255.85
  5. Step 5: Solve for x
    x = 16,420,255.85/5,639.03
  6. Step 6: Final answer
    x = 2,911.89

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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.