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Finding the Fourth Proportional to 8,636.03, 11,917.45 and 4,859.41

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Solution

The fourth proportional to 8,636.03, 11,917.45 and 4,859.41 is: 6,705.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,636.03 : 11,917.45 = 4,859.41 : x
  2. Step 2: Convert to fraction form
    8,636.03/11,917.45 = 4,859.41/x
  3. Step 3: Cross multiply
    8,636.03x = 11,917.45 × 4,859.41
  4. Step 4: Simplify right side
    8,636.03x = 57,911,775.70
  5. Step 5: Solve for x
    x = 57,911,775.70/8,636.03
  6. Step 6: Final answer
    x = 6,705.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.