Home / 8,941.34-13,404.05-3,390.92

Finding the Fourth Proportional to 8,941.34, 13,404.05 and 3,390.92

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Solution

The fourth proportional to 8,941.34, 13,404.05 and 3,390.92 is: 5,083.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,941.34 : 13,404.05 = 3,390.92 : x
  2. Step 2: Convert to fraction form
    8,941.34/13,404.05 = 3,390.92/x
  3. Step 3: Cross multiply
    8,941.34x = 13,404.05 × 3,390.92
  4. Step 4: Simplify right side
    8,941.34x = 45,452,077.78
  5. Step 5: Solve for x
    x = 45,452,077.78/8,941.34
  6. Step 6: Final answer
    x = 5,083.36

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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.