Home / 8,636.35-11,911.20-5,802.85

Finding the Fourth Proportional to 8,636.35, 11,911.20 and 5,802.85

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Solution

The fourth proportional to 8,636.35, 11,911.20 and 5,802.85 is: 8,003.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,636.35 : 11,911.20 = 5,802.85 : x
  2. Step 2: Convert to fraction form
    8,636.35/11,911.20 = 5,802.85/x
  3. Step 3: Cross multiply
    8,636.35x = 11,911.20 × 5,802.85
  4. Step 4: Simplify right side
    8,636.35x = 69,118,906.92
  5. Step 5: Solve for x
    x = 69,118,906.92/8,636.35
  6. Step 6: Final answer
    x = 8,003.25

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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.