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Finding the Fourth Proportional to 8,893.86, 13,339.17 and 3,959.34

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Solution

The fourth proportional to 8,893.86, 13,339.17 and 3,959.34 is: 5,938.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,893.86 : 13,339.17 = 3,959.34 : x
  2. Step 2: Convert to fraction form
    8,893.86/13,339.17 = 3,959.34/x
  3. Step 3: Cross multiply
    8,893.86x = 13,339.17 × 3,959.34
  4. Step 4: Simplify right side
    8,893.86x = 52,814,309.35
  5. Step 5: Solve for x
    x = 52,814,309.35/8,893.86
  6. Step 6: Final answer
    x = 5,938.29

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1.5x scale

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.