Home / 8,682.63-11,981.32-4,906.13

Finding the Fourth Proportional to 8,682.63, 11,981.32 and 4,906.13

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Solution

The fourth proportional to 8,682.63, 11,981.32 and 4,906.13 is: 6,770.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.63 : 11,981.32 = 4,906.13 : x
  2. Step 2: Convert to fraction form
    8,682.63/11,981.32 = 4,906.13/x
  3. Step 3: Cross multiply
    8,682.63x = 11,981.32 × 4,906.13
  4. Step 4: Simplify right side
    8,682.63x = 58,781,859.72
  5. Step 5: Solve for x
    x = 58,781,859.72/8,682.63
  6. Step 6: Final answer
    x = 6,770.05

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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.